Hard labor and good intentions are not sufficient to carry a man through to success.
A positive mind finds a way it can be done; a negative mind looks for all the ways it can't be done.
It is a well known fact that a man learns best that which he endeavors to teach others.
A wise man watches his faults more closely than his virtues; fools reverse the order.
Time is wealth, and unlike money when it is gone you cannot replace it.
Definiteness of purpose with positive mental attitude is the starting point of all worthwhile achievement.