"Reviewing the old as a means of understanding the new — such a person can be a teacher."

"The Master said, 'He who acts with a constant view to his own advantage will be much murmured against.'"

"The gentleman is at ease without being proud; the small man is proud without being at ease."

"It is not the failure of others to appreciate your abilities that should trouble you, but rather your own failure to appreciate theirs."

"The superior man is satisfied and composed; the inferior man is always full of distress."