Man himself cannot express love and humility by external signs, so plainly as does a dog, when with drooping ears, hanging lips, flexuous body, and wagging tail, he meets his beloved master.

The love for all living creatures is the most noble attribute of man.

A man who dares to waste one hour of time has not discovered the value of life.

The world will not be inherited by the strongest, it will be inherited by those most able to change.

Nothing exists for itself alone, but only in relation to other forms of life

Building a better mousetrap merely results in smarter mice.

A mathematician is a blind man in a dark room looking for a black cat which isn't there.

An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.

It is not the biggest, the brightest or the best that will survive, but those who adapt the quickest.

We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.

What a book a devil's chaplain might write on the clumsy, wasteful, blundering, low, and horribly cruel work of nature!

We must not attach knowledge to the mind, we have to incorporate it there.

Those wanderers must have looked on Earth, circling safely in the narrow zone between fire and ice, and must have guessed that it was the favourite of the Sun's children.

I wasn't the greatest reporter in the world, but I wasn't starting at zero.

We were very nervous at the start, we didn't play our game at all.

If we think happy thoughts, we will be happy. If we think miserable thoughts, we will be miserable.

Connecting is the ability to identify with people and relate to them in a way that increases your influence with them.

I want to be better at being single, and I want to be better at feeling okay about being single. I don't need a boyfriend.

A politician would do well to remember that he has to live with his conscience longer than he does with his constituents.

Diana used to tell me she had a travel jinx, something I only really started to believe when the plane door fell off.

Unobstructed access to facts can produce unlimited good only if it is matched by the desire and ability to find out what they mean and where they lead.