Everything is but what we think it.
The only wealth which you will keep forever is the wealth you have given away.
A man does not sin by commission only, but often by omission.
Whatever may happen to thee, it was prepared for thee from all eternity.
From Alexander the Platonic, not frequently nor without necessity to say to any one, or to write in a letter, that I have no leisure; nor continually to excuse the neglect of duties required by our relation to those with whom we live, by alleging urgent occupations.
Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.