He who fails to prepare, prepares to fail
In speaking, it is best to be clear and say just enough to convey the meaning.
Music produces a kind of pleasure which human nature cannot do without.
Do not worry if others do not understand you. Instead worry if you do not understand others.
The father who does not teach his son his duties is equally guilty with the son who neglects them.
Do not let a leader lead you on a bad path.