I can, therefore I am.

If you're going through hell, keep going.

Leap, and the net will appear.

Either you run the day or the day runs you.

To know oneself, one should assert oneself.

The most effective way to do it, is to do it.

Do not weep do not wax indignant. Understand.

Expect problems and eat them for breakfast.

Know or listen to those who know.