Discontent is the source of all trouble,but also of all progress, in individuals and nations.

Our second mother, habit, is also a good mother.

The silver-leaved birch retains in its old age a soft bark; there are some such men.

If you sound great in the practice room, you're practicing the wrong thing. Music washes away from the soul the dust of everyday life.

Discontent is the source of all trouble,but also of all progress, in individuals and nations.

The world is the same everywhere.

Being alone when one's belief is firm, is not to be alone.