In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of selection.

We keep moving forward, opening new doors, and doing new things, because we're curious and curiosity keeps leading us down new paths.

Dictators ride to and fro upon tigers which they dare not dismount. And the tigers are getting hungry.

Freedom would be not to choose between black and white but to abjure such prescribed choices.

Until you value yourself, you won't value your time. Until you value your time, you will not do anything with it.

The highest manifestation of strength is to keep ourselves calm and on our own feet.

Life is a tragedy when seen in close-up, but a comedy in long-shot.

Old age, especially an honoured old age, has so great authority, that this is of more value than all the pleasures of youth.

Life is pure adventure, and the sooner we realize that, the quicker we will be able to treat life as art.

The things that come to those that wait may be the things left by those that got there first.

Life can only be understood backwards; but it must be lived forwards.

Time is the best killer.

All that happens means something; nothing you do is ever insignificant.

Amnesty is as good for those who give it as for those who receive it. It has the admirable quality of bestowing mercy on both sides.

There is nothing more frightful than ignorance in action.

One of the saddest things in life, is the things one remembers.

Sometimes - history needs a push.

What do you want meaning for? Life is desire, not meaning.

The man who has no sense of history, is like a man who has no ears or eyes

No one has ever become poor by giving.

We make up horrors to help us cope with the real ones.