I can, therefore I am.
To be a good loser is to learn how to win.
The most effective way to do it, is to do it.
It's always too early to quit.
Either you run the day or the day runs you.
If you think you can do it, you can.
Leap, and the net will appear.
Things do not happen. Things are made to happen.
Begin to be now what you will be hereafter.
You never know what motivates you.
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.