Always desire to learn something useful.
The wise does at once what the fool does at last.
To know oneself, one should assert oneself.
Expect problems and eat them for breakfast.
If you've got a talent, protect it.
Without hard work, nothing grows but weeds.
Problems are not stop signs, they are guidelines.
Only the educated are free.
You never know what motivates you.
Never complain and never explain.
Imagination is as vital to any advance in science as learning and precision are essential for starting points.