To accuse others for one's own misfortunes is a sign of want of education. To accuse oneself shows that one's education has begun. To accuse neither oneself nor others shows that one's education is complete.

He is a drunkard who takes more than three glasses, though he be not drunk.

Be careful to leave your sons well instructed rather than rich, for the hopes of the instructed are better than the wealth of the ignorant.

Control thy passions, lest they take vengeance on thee.