Adapt or perish, now as ever, is nature's inexorable imperative.

Our true nationality is mankind.

In England we have come to rely upon a comfortable time-lag of fifty years or a century intervening between the perception that something ought to be done and a serious attempt to do it.

Heresies are experiments in man's unsatisfied search for truth.

Nothing leads so straight to futility as literary ambitions without systematic knowledge.

It is not reasonable that those who gamble with men's lives should not pay with their own.

A time will come when a politician who has willfully made war and promoted international dissension will be as sure of the dock and much surer of the noose than a private homicide. It is not reasonable that those who gamble with men's lives should not stake their own.

The New Deal is plainly an attempt to achieve a working socialism and avert a social collapse in America; it is extraordinarily parallel to the successive 'policies' and 'Plans' of the Russian experiment. Americans shirk the word 'socialism', but what else can one call it?

Human history becomes more and more a race between education and catastrophe.

What really matters is what you do with what you have.

If we don't end war, war will end us.

Affliction comes to us, not to make us sad but sober; not to make us sorry but wise.

I had rather be called a journalist than an artist.

The doctrine of the Kingdom of Heaven, which was the main teaching of Jesus, is certainly one of the most revolutionary doctrines that ever stirred and changed human thought.

After people have repeated a phrase a great number of times, they begin to realize it has meaning and may even be true.

The crisis of today is the joke of tomorrow.

The past is but the past of a beginning.

The only true measure of success is the ratio between what we might have done and what we might have been on the one hand, and the thing we have made and the things we have made of ourselves on the other.

While there is a chance of the world getting through its troubles, I hold that a reasonable man has to behave as though he were sure of it. If at the end your cheerfulness in not justified, at any rate you will have been cheerful.

Beauty is in the heart of the beholder.

There's nothing wrong in suffering, if you suffer for a purpose. Our revolution didn't abolish danger or death. It simply made danger and death worthwhile.

Moral indignation is jealousy with a halo.

Leaders should lead as far as they can and then vanish. Their ashes should not choke the fire they have lit.

The path of social advancement is, and must be, strewn with broken friendships.

The path of least resistance is the path of the loser.

The past is the beginning of the beginning and all that is and has been is but the twilight of the dawn.

If you fell down yesterday, stand up today.

Crime and bad lives are the measure of a State's failure, all crime in the end is the crime of the community.

I want to go ahead of Father Time with a scythe of my own.

Man is the unnatural animal, the rebel child of nature, and more and more does he turn himself against the harsh and fitful hand that reared him.

I must confess that my imagination refuses to see any sort of submarine doing anything but suffocating its crew and floundering at sea.

Adapt or perish, now as ever, is nature's inexorable imperative.

Cynicism is humor in ill health.

In politics, strangely enough, the best way to play your cards is to lay them face upwards on the table.

Some people bear three kinds of trouble - the ones they've had, the ones they have, and the ones they expect to have.

We are living in 1937, and our universities, I suggest, are not half-way out of the fifteenth century. We have made hardly any changes in our conception of university organization, education, graduation, for a century - for several centuries.

One of the darkest evils of our world is surely the unteachable wildness of the Good.

Human history in essence is the history of ideas.

The uglier a man's legs are, the better he plays golf - it's almost a law.

No passion in the world is equal to the passion to alter someone else's draft.

Once the command of the air is obtained by one of the contending armies, the war becomes a conflict between a seeing host and one that is blind.

History is a race between education and catastrophe.

Every time I see an adult on a bicycle, I no longer despair for the future of the human race.

There is nothing in machinery, there is nothing in embankments and railways and iron bridges and engineering devices to oblige them to be ugly. Ugliness is the measure of imperfection.

You have learned something. That always feels at first as if you had lost something.

Sailors ought never to go to church. They ought to go to hell, where it is much more comfortable.

Biologically the species is the accumulation of the experiments of all its successful individuals since the beginning.

Advertising is legalized lying.

If we dont end war war will end us.