You will certainly not doubt the necessity of studying astronomy and physics, if you are desirous of comprehending the relation between the world and Providence as it is in reality, and not according to imagination.

While one man can discover a certain thing by himself, another is never able to understand it, even if taught by means of all possible expressions and metaphors, and during a long period; his mind can in no way grasp it, his capacity is insufficient for it.

All this is applicable to the intellectual faculties of man. There is a considerable difference between one person and another as regards these faculties, as is well known to philosophers.

The risk of a wrong decision is preferable to the terror of indecision.

He, however, who begins with Metaphysics, will not only become confused in matters of religion, but will fall into complete infidelity.

Now, we occupy a lowly position, both in space and rank in comparison with the heavenly sphere, and the Almighty is Most High not in space, but with respect to absolute existence, greatness and power.

Be convinced that, if man were able to reach the end without preparatory studies, such studies would not be preparatory but tiresome and utterly superfluous.

The same is the case with those opinions of man to which he has been accustomed from his youth; he likes them, defends them, and shuns the opposite views.

Do not imagine that what we have said of the insufficiency of our understanding and of its limited extent is an assertion founded only on the Bible: for philosophers likewise assert the same, and perfectly understand it,- without having regard to any religion or opinion.

If a person studies too much and exhausts his reflective powers, he will be confused, and will not be able to apprehend even that which had been within the power of his apprehension. For the powers of the body are all alike in this respect.

It is thus necessary to examine all things according to their essence, to infer from every species such true and well established propositions as may assist us in the solution of metaphysical problems.

No disease that can be treated by diet should be treated with any other means.

To the totality of purposes of the perfect Law there belong the abandonment, depreciation, and restraint of desires in so far as possible.

One should see the world, and see himself as a scale with an equal balance of good and evil. When he does one good deed the scale is tipped to the good - he and the world is saved. When he does one evil deed the scale is tipped to the bad - he and the world is destroyed.

You must accept the truth from whatever source it comes.

Teach thy tongue to say 'I do not know,' and thou shalt progress.

How individuals of the same species surpass each other in these sensations and in other bodily faculties is universally known, but there is a limit to them, and their power cannot extend to every distance or to every degree.

Further, there are things of which the mind understands one part, but remains ignorant of the other; and when man is able to comprehend certain things, it does not follow that he must be able to comprehend everything.

You must consider, when reading this treatise, that mental perception, because connected with matter, is subject to conditions similar to those to which physical perception is subject.

You will certainly not doubt the necessity of studying astronomy and physics, if you are desirous of comprehending the relation between the world and Providence as it is in reality, and not according to imagination.

The whole object of the Prophets and the Sages was to declare that a limit is set to human reason where it must halt.

Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime.

Consequently he who wishes to attain to human perfection, must therefore first study Logic, next the various branches of Mathematics in their proper order, then Physics, and lastly Metaphysics.

Anticipate charity by preventing poverty.

Do not consider it proof just because it is written in books, for a liar who will deceive with his tongue will not hesitate to do the same with his pen.

If men possessed wisdom, which stands in the same relation to the form of man as the sight to the eye, they would not cause any injury to themselves or to others; for the knowledge of truth removes hatred and quarrels, and prevents mutual injuries.

It is necessary to bear in mind that Scripture only teaches the chief points of those true principles which lead to the true perfection of man, and only demands in general terms faith in them.

Teach thy tongue to say 'I do not know', and thou shalt progress.

The numerous evils to which individual persons are exposed are due to the defects existing in the persons themselves. We complain and seek relief from our own faults; we suffer from the evils which we, by our own free will, inflict on ourselves and ascribe them to God, who is far from being connected with them!

Transient bodies are only subject to destruction through their substance and not through their form, nor can the essence of their form be destroyed; in this respect, they are permanent.

Astrology is a disease, not a science.

The business conduct of the disciples of wise men is truthful and faithful.... He does not allow himself to be made a surety or a guarantor and does not accept the power of attorney.... He lends money and is gracious. He shall not take away business from his fellow man.

Give a man a fish and you feed him for a day teach a man to fish and you feed him for a lifetime.

In accordance with the divine wisdom genesis can only take place through destruction.

Prophecy resideth not but in a man who is great in wisdom and virtue.

The prophets even express their surprise that God should take notice of man, who is too little and too unimportant to be worthy of the attention of the Creator; how, then, should other living creatures be considered as proper objects for Divine Providence!

I love biomedical science, I love astronomy, and you can't really do much with those in a fantasy setting.

We are probably nearing the limit of all we can know about astronomy.

But my most favourite pursuit, after my daily exertions at the Foundry, was Astronomy. There were frequently clear nights when the glorious objects in the Heavens were seen in most attractive beauty and brilliancy.

So far as hypotheses are concerned, let no one expect anything certain from astronomy, which cannot furnish it, lest he accept as the truth ideas conceived for another purpose, and depart from this study a greater fool than when he entered it.

But when researchers at Bell Labs discovered that static tends to come from particular places in the sky, the whole field of radio astronomy opened up.

Science Fiction is not just about the future of space ships travelling to other planets, it is fiction based on science and I am using science as my basis for my fiction, but it's the science of prehistory - palaeontology and archaeology - rather than astronomy or physics.

Astronomy teaches the correct use of the sun and the planets.

It is clear to everyone that astronomy at all events compels the soul to look upwards, and draws it from the things of this world to the other.

Before a war military science seems a real science, like astronomy; but after a war it seems more like astrology.

In 1959 the University recognized our work by appointing me to a new Chair of Radio Astronomy.

Astronomy's much more fun when you're not an astronomer.

It's like having astronomy without knowing where the stars are.

So fantasy was fine early on, and when I discovered science fiction, I was very happy with it, because my first interest in science fiction came with an interest in astronomy.