Life always involves some logic in its manifestations, and logic, as a rule, excludes the versatility of life from its considerations.
The intelligent have plans; the wise have principles.
Hundreds of wise men cannot make the world a heaven, but one idiot is enough to turn it into a hell.
Successful is one whose imitators are successful.
All answers to why are information. All answers to how are knowledge.
Teachers teach less than they know; students learn more than they are taught; the difference is real education.
One who learns to justify forgets to learn.