After a storm comes a calm.
Well done is better than well said.
What you do today can improve all your tomorrows.
Things do not happen. Things are made to happen.
The wise does at once what the fool does at last.
Be gentle to all and stern with yourself.
You never know what motivates you.
Do not weep do not wax indignant. Understand.
Be kind whenever possible. It is always possible.
If you've got a talent, protect it.
Imagination is as vital to any advance in science as learning and precision are essential for starting points.