It's always too early to quit.

To know oneself, one should assert oneself.

Do not weep do not wax indignant. Understand.

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

By failing to prepare, you are preparing to fail.

Problems are not stop signs, they are guidelines.

Be thine own palace, or the world's thy jail.

You never know what motivates you.

Well done is better than well said.