Be gentle to all and stern with yourself.
The most effective way to do it, is to do it.
To be a good loser is to learn how to win.
If you think you can do it, you can.
After a storm comes a calm.
Do not weep do not wax indignant. Understand.
What you do today can improve all your tomorrows.
Know or listen to those who know.
The dog that trots about finds a bone.
Problems are not stop signs, they are guidelines.
Imagination is as vital to any advance in science as learning and precision are essential for starting points.