It is a sin against hospitality to open your doors and shut up your countenance. Pr.
It is a small virtue to keep silence on matters, but a grave fault to speak of what should be kept silent. Ovid.
It is a sorry goose that will not baste itself. Pr.
It is a strange habit of wise humanity to speak 20 in enigmas only. Ruskin.
It is a universal weakness of human nature to have an inordinate faith in things unseen and unknown, and to be affected unduly by them. Cæsar.
It is a very good world to live in, / To lend, or to spend, or to give in; / But to beg, or to borrow, or to get a man's own, / It is the very worst world that ever was known. Rochester.
It is a very risky, nay, a fatal thing, to be sociable. Schiller.
It is a virtue in hermits to forgive their enemies as well as their friends; but it is a fault in princes to show clemency towards those who are guilty. Hitopadesa.
It is a wise father that knows his own child. 25 Mer. of Ven., ii. 2.
It is absurd to contend for any sense of words in opposition to usage; for all senses are founded upon usage, and upon nothing else. Paley.