It's always too early to quit.

You never know what motivates you.

Do not weep do not wax indignant. Understand.

To know oneself, one should assert oneself.

The wise does at once what the fool does at last.

Quality is not an act, it is a habit.

If you're going through hell, keep going.

Wherever you are - be all there.

Know or listen to those who know.