A foolish consistency is the hobgoblin of little minds, adored by little statesmen and philosophers and divines. With consistency a great soul has simply nothing to do. He may as well concern himself with his shadow on the wall. Speak what you think now in hard words and to-morrow speak what to-morrow thinks in hard words again, though it contradict every thing you said to-day.

The rain comes when the wind calls.

Things bring their own philosophy with them, that is, prudence.

Men cease to interest us when we find their limitations

The masses have no habit of self-reliance or original action.

Of all tools, an observatory is the most sublime. . . . What is so good in a college as an observatory? The sublime attaches to the door and to the first stair you ascent, that this is the road to the stars.

Insist on yourself; never imitate. Your own gift you can offer with the cumulative force of a whole life's cultivation, but of the adopted talent of another, you have only an extemporaneous, half possession.