Do not weep do not wax indignant. Understand.

What you do today can improve all your tomorrows.

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

It's always too early to quit.

To know oneself, one should assert oneself.

Be gentle to all and stern with yourself.

You never know what motivates you.

Always desire to learn something useful.

Know or listen to those who know.