Appearances to the mind are of four kinds. Things either are what they appear to be; or they neither are, nor appear to be; or they are, and do not appear to be; or they are not, and yet appear to be. Rightly to aim in all these cases is the wise man's task.

There is only one way to happiness and that is to cease worrying about things which are beyond the power of our will.

If you have assumed a character above your strength, you have both acted in this matter in an unbecoming way, and you have neglected that which you might have fulfilled.

Appearances to the mind are of four kinds. Things either are what they appear to be; or they neither are, nor appear to be; or they are, and do not appear to be; or they are not, and yet appear to be. Rightly to aim in all these cases is the wise man's task.

It’s time to stop being vague. If you wish to be an extraordinary person, if you wish to be wise, then you should explicitly identify the kind of person you aspire to become.

Tentative efforts lead to tentative outcome.

Renew every day your conversation with God: Do this even in preference to eating. Think more often of God than you breathe.