The dog that trots about finds a bone.
If you think you can do it, you can.
Always desire to learn something useful.
Quality is not an act, it is a habit.
Never complain and never explain.
If you're going through hell, keep going.
You never know what motivates you.
To know oneself, one should assert oneself.
Leap, and the net will appear.
I can, therefore I am.
The best way to have a good idea is to have a lot of ideas.
Satisfaction of one's curiosity is one of the greatest sources of happiness in life.
Facts are the air of scientists. Without them you can never fly.