He is the greatest artist who has embodied, in the sum of his works, the greatest number of the greatest ideas.

I have not written in vain if I have heretofore done anything towards diminishing the reputation of the Renaissance landscape painting.

I do not mean to call an elephant a vulgar animal, but if you think about him carefully, you will find that his nonvulgarity consists in such gentleness as is possible to elephantine nature-not in his insensitive hide, nor in his clumsy foot, but in the way he will lift his foot if a child lies in his way; and in his sensitive trunk, and still more sensitive mind, and capability of pique on points of honor.

Know thyself, for through thyself only thou canst know God.

The more readily we admit the possibility of our own cherished convictions being mixed with error, the more vital and helpful whatever is right in them will become; and no error is so conclusively fatal as the idea that God will not allow us to err, though He has allowed all other men to do so.

All the best things and treasures of this world are not to be produced by each generation for itself; but we are all intended, not to carve our work in snow that will melt, but each and all of us to be continually rolling a great white gathering snow-ball, higher and higher, larger and larger, along the Alps of human power.

The first condition of education is being able to put someone to wholesome and meaningful work.