Either write something worth reading or do something worth writing.

If you desire many things, many things will seem few.

It is the will of God and Nature that these mortal bodies be laid aside, when the soul is to enter into real life; 'tis rather an embrio state, a preparation for living; a man is not completely born until he be dead: Why then should we grieve that a new child is born among the immortals?

I say it is impossible that so sensible a people [citizens of Paris], under such circumstances, should have lived so long by the smoky, unwholesome, and enormously expensive light of candles, if they had really known that they might have had as much pure light of the sun for nothing.

In Truth I found myself incorrigible with respect to Order; and now I am grown old, and my Memory bad, I feel very sensibly the want of it.

A man must have a good deal of vanity who believes, and a good deal of boldness who affirms, that all the doctrines he holds are true, and all he rejects are false.

What good shall I do this day?