It's always too early to quit.

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

Know or listen to those who know.

Do not weep do not wax indignant. Understand.

Be gentle to all and stern with yourself.

By failing to prepare, you are preparing to fail.

Well done is better than well said.

Go for it now. The future is promised to no one.

Always desire to learn something useful.