Things do not happen. Things are made to happen.
Expect problems and eat them for breakfast.
Go for it now. The future is promised to no one.
The wise does at once what the fool does at last.
It's always too early to quit.
To know oneself, one should assert oneself.
What you do today can improve all your tomorrows.
I can, therefore I am.
You never know what motivates you.
Problems are not stop signs, they are guidelines.
The Peking man was a thinking being, standing erect, dating to the beginning of the Ice Age.