Each problem that I solved became a rule which served afterwards to solve other problems.
Everything excellent is as difficult as it is rare.
How often I found where I should be going only by setting out for somewhere else.
Don't compromise yourself. You are all you've got.
He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.
There is always time to add a word, never to withdraw one.
Gravity is only the bark of wisdom's tree; but it preserves it
A person reveals his character by nothing so clearly as the joke he resents.
Be curious, not judgmental.
To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence
He who can destroy a thing, can control a thing.
The heart has its reasons which reason knows not.
Attitude, not Aptitude, determines Altitude.
Nobody has the power to take two steps together; you can take only one step at a time.
Creativity is the greatest rebellion in existence.
A proverb is much matter distilled into few words.
The future is uncertain but the end is always near.
Unfortunately, the clock is ticking, the hours are going by. The past increases, the future recedes. Possibilities decreasing, regrets mounting.
I mistrust the judgement of every man in a case in which his own wishes are concerned.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
You can best serve civilization by being against what usually passes for it.