Id demum est homini turpe, quod meruit pati—That only brings disgrace on a man which he has deserved to suffer. Phæd.
Id est—That is.
Id facere laus est quod decet, non quod licet—The man is deserving of praise who does what it becomes him to do, not what he is free to do. Sen.
Id genus omne—All persons of that description. 20
Id maxime quemque decet, quod est cujusque maxime suum—That best becomes a man which is most peculiarly his own. Cic.
Id mutavit, quoniam me immutatum videt—He has changed his mind because he sees me unchanged. Ter.
Id nobis maxime nocet, quod non ad rationis lumen sed ad similitudinem aliorum vivimus—This is especially ruinous to us, that we shape our lives not by the light of reason, but after the fashion of others. Sen.
Ideals are the world's masters. J. G. Holland.
Ideals can never be completely embodied in 25 practice; and yet ideals exist, and if they be not approximated to at all, the whole matter goes to wreck. Carlyle.
Ideas must work through the brains and arms of good and brave men, or they are no better than dreams. Emerson.