True love is love that stays constant for ever, whatever it's fortune; whether requited or scored, filled or sent empty away.
A rainbow which lasts for a quarter of an hour is looked at no longer.
Shakespeare is dangerous to young poets; they cannot but reproduce him, while they fancy that they produce themselves.
If everyone sweeps before his own front door, then the street is clean.
Art is long, life is short; judgement difficult, opportunity transient.
Whatever Nature undertakes, she can only accomplish it in a sequence. She never makes a leap.