Be charitable and indulge to everyone, but thyself.
Logic is to grammar what the sense of words is to their sound.
He who has not the weakness of friendship has not the strength.
We use up in the passions the stuff that was given us for happiness.
Grief - Happiness is to feel that one's soul is good; there is no other, in truth, and this kind of happiness may exist even in sorrow, so that there are griefs perfable to every joy, and such as would be preferred by all those who have felt them.
In the interchange of thought use no coin but gold and silver.