Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.

If one's different, one's bound to be lonely.

There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.

We cannot live better than in seeking to become better.

The more sand that has escaped from the hourglass of our life, the clearer we should see through it.

Middle age has been defined as what happens when a person's broad mind and narrow waist change places.

The difficulty we have in accepting responsibility for our behaviour lies in the desire to avoid the pain of the consequences of that behaviour

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

If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.

I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.

Sow a thought and you get an act; Sow an act and you get a habit; Sow a habit and you get a character; Sow a character and you get a destiny.

A life spent making mistakes is not only more honorable, but more useful than a life spent doing nothing.

The 'good old times'-all times, when old, are good.

I want to feel my life while I'm in it.

The happiest is the person who suffers the least pain; the most miserable who enjoys the least pleasure.

The joy in life is his who has the heart to demand it.

If I get married, I want to be very married.

All that is not eternal is eternally out of date.

He who has a why to live can bear with almost any how.

I never think of the future - it comes soon enough.

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.