Empty pockets never held anyone back. Only empty heads and empty hearts can do that.

The absent are never without fault, nor the present without excuse.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

What you're thinking is what you're becoming.

The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.

Those who can not change their minds can not change anything.

Doubt is the origin of wisdom

You always admire what you really don't understand.

The very essence of instinct is that it's followed independently of reason.

The only limit to our realization of tomorrow will be our doubts of today.

At the center of your being you have the answer; you know who you are and you know what you want.

Whatever the mind of man creates, should be controlled by man's character

I believe that one defines oneself by reinvention. To not be like your parents. To not be like your friends. To be yourself. To cut yourself out of stone.

Real knowledge is to know the extent of one's ignorance.

Think no vice so small that you may commit it, and no virtue so small that you may over look it.

Never put off for tomorrow, what you can do today.

Honesty is the first chapter in the book of wisdom.

When playing board-games which involve quizzes etc, you will always know the answers to everyone else's set of questions but never your own.

Fine clothes may disguise, but silly words will disclose a fool.

Each problem that I solved became a rule which served afterwards to solve other problems.