I can, therefore I am.
The dog that trots about finds a bone.
Without hard work, nothing grows but weeds.
Who seeks shall find.
The most effective way to do it, is to do it.
If you think you can do it, you can.
Never complain and never explain.
Know or listen to those who know.
To be a good loser is to learn how to win.
Only the educated are free.
Most of man's problems upon this planet, in the long history of the race, have been met and solved either partially or as a whole by experiment based on common sense and carried out with courage.