Be gentle to all and stern with yourself.
Know or listen to those who know.
Do not weep do not wax indignant. Understand.
It's always too early to quit.
Be kind whenever possible. It is always possible.
Problems are not stop signs, they are guidelines.
To know oneself, one should assert oneself.
Always desire to learn something useful.
The most effective way to do it, is to do it.
You never know what motivates you.
Work hard, use your common sense and don't be afraid to trust your instincts.