Creativity requires the courage to let go of certainties.

爱情是盲目的，而理性是它的向导。

A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.

Life is too short to be living someone else's dream.

The supreme happiness of life is the conviction that we are loved.

To be human is to be in the world, and to be in the world is to be in time.