Problems are not stop signs, they are guidelines.
Quality is not an act, it is a habit.
What you do today can improve all your tomorrows.
Be gentle to all and stern with yourself.
Always desire to learn something useful.
After a storm comes a calm.
The secret of getting ahead is getting started.
Go for it now. The future is promised to no one.
You never know what motivates you.
Well done is better than well said.
Half of the modern drugs could well be thrown out of the window, except that the birds might eat them.
Knowledge is a process of piling up facts wisdom lies in their simplification.