The origin of all mankind was the same; it is only a clear and good conscience that makes a man noble, for that is derived from heaven itself.
Seneca the YoungerSadness usually results from one of the following causes either when a man does not succeed, or is ashamed of his success.
Seneca the YoungerAs gratitude is a necessary, and a glorious virtue, so also it is an obvious, a cheap, and an easy one; so obvious that wherever there is life there is a place for it; so cheap, that the covetous man may be gratified without expense, and so easy that the sluggard may be so likewise without labor.
Seneca the Younger