Courage and conviction are powerful weapons against an enemy who depends only on fists or guns. Animals know when you are afraid; a coward knows when you are not.

Try out your ideas by visualizing them in action.

The fact, if they are there, speak for themselves.

Courage and conviction are powerful weapons against an enemy who depends only on fists or guns. Animals know when you are afraid; a coward knows when you are not.

Your desires and true beliefs have a way of playing blind man's bluff. You must corner the inner facts.

Enthusiasm is the best protection in any situation. Wholeheartedness is contagious. Give yourself, if you wish to get others.

If you give yourself to your task at once, you won't have to do it twice.

Love... Force it and it disappears. You cannot will love, nor even control it. You can only guide its expression. It comes or it goes according to those qualities in life that invite it or deny its presence.

No man will work for your interests unless they are his.

Nature is at work. Character and destiny are her handiwork. She gives us love and hate, jealousy and reverence. All that is ours is the power to choose which impulse we shall follow.

Manage yourself first and others will take your orders.

Intellectual comradeship requires that you think your thoughts through to the place where you can make the complex seem simple, the obscure quite clear.

He who doesn't consider himself is seldom considerate of others.

A wise unselfishness is not a surrender of yourself to the wishes of anyone, but only to the best discoverable course of action.

Good humor isn't a trait of character, it is an art which requires practice.

Intellectual comradeship requires that you think your thoughts through to the place where you can make the complex seem simple the obscure quite clear.

Man has done a lot to make himself dangerous and animals get the worst of all of it. But then, man too is an animal.

Biology will relate every human gene to the genes of other animals and bacteria, to this great chain of being.

When I see professional clowns, mimes, or people who makes ballon animals, I think of their relatives and how disappointed they must be.

Animals often strike us as passionate machines.

My object will be, first, to show by what connections the history of the fossil bones of land animals is linked to the theory of the earth and why they have a particular importance in this respect.

Hence the same instant which killed the animals froze the country where they lived. This event was sudden, instantaneous, without any gradual development.

Towns are suffering from all these things, we should unite until we are all satisfied, man cannot be killing each other as if we were animals, as if we had no culture; that is a lack of culture.

Animals are such agreeable friends - they ask no questions; they pass no criticisms.

The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.

I've always been fascinated by the way that children and animals suffer stoically in a way that I don't think adults do.

Ever occur to you why some of us can be this much concerned with animals suffering? Because government is not. Why not? Animals don't vote.

Animals are reliable, many full of love, true in their affections, predictable in their actions, grateful and loyal. Difficult standards for people to live up to.

When we seed millions of acres of land with these plants, what happens to foraging birds, to insects, to microbes, to the other animals, when they come in contact and digest plants that are producing materials ranging from plastics to vaccines to pharmaceutical products?

It's been my dream to have four babies by 30. I look after animals, so I'd have a lot to give my kids.

Yes, I've kissed a lot of guys. I like to kiss, but that's it. I don't go home with anyone. I sleep with my animals, like my baby monkey, Brigitte Bardot.

The desire to take medicine is perhaps the greatest feature which distinguishes man from animals.

The tabloids are like animals, with their own behavioural patterns. There's no point in complaining about them, any more than complaining that lions might eat you.

Early experiences convinced me that animals can and do have quite distinct personalities.

Without civilization, we would not turn into animals, but vegetables.

God sleeps in the minerals, awakens in plants, walks in animals, and thinks in man.

History is a people's memory, and without a memory, man is demoted to the lower animals.

Although I agree that wild horses are a symbol of the American West, I also believe that it is the responsibility of Congress to ensure that these animals are managed, protected, and controlled in an effective manner.

Man, of all the animals, is probably the only one to regard himself as a great delicacy.

The proportion between the velocity with which men or animals move, and the weights they carry, is a matter of considerable importance, particularly in military affairs.

Working on behalf of companion animals is so important. We start to realize how healing they are.

The theoretical understanding of the world, which is the aim of philosophy, is not a matter of great practical importance to animals, or to savages, or even to most civilised men.

I always felt people should live with animals.

Man's unique reward, however, is that while animals survive by adjusting themselves to their background, man survives by adjusting his background to himself.

It isn't true that convicts live like animals: animals have more room to move around.

They are the most fascinating, intelligent, resourceful, adaptable animals I have ever seen. Grizzlies are a real symbol of true wildness.

As long as man eats animals how can cruelty to animals be removed.

Although native Africans domesticated some plants in the Sahel and in Ethiopia and in tropical West Africa, they acquired valuable domestic animals only later, from the north.

Thousands of years ago, humans domesticated every possible large wild mammal species fulfilling all those criteria and worth domesticating, with the result that there have been no valuable additions of domestic animals in recent times, despite the efforts of modern science.