Progress is impossible without change, and those who cannot change their minds, can't change anything.

You cannot step twice into the same river, for other waters are continually flowing in.

The best stories come from real life experiences.

Whatever the present moment contains, accept it as if you had chosen it.

One swallow does not make a summer.

My treasure lies in my friends.

We could never learn to be brave and patient if there were only joy in the world.