To know oneself, one should assert oneself.

Know or listen to those who know.

Be kind whenever possible. It is always possible.

It's always too early to quit.

By failing to prepare, you are preparing to fail.

I can, therefore I am.

To be a good loser is to learn how to win.

If you're going through hell, keep going.

Do not weep do not wax indignant. Understand.