A few vices are sufficient to darken many virtues.
Prosperity is no just scale; adversity is the only balance to weigh friends.
The mind is not a vessel to be filled but a fire to be kindled.
It were better to have no opinion of God at all than such a one as is unworthy of him; for the one is only belief - the other contempt.
Perseverance is more prevailing than violence; and many things which cannot be overcome when they are together, yield themselves up when taken little by little.
I don't need a friend who changes when I change and who nods when I nod; my shadow does that much better.