There is no action so slight or so mean but it may be done to a great purpose, and ennobled thereby.

The truth of Nature is a part of the truth of God; to him who does not search it out, darkness; to him who does, infinity.

Race is precisely of as much consequence in man as it is in any animal.

If you can draw the stone rightly, everything within reach of art is also within yours.

If only the Geologists would let me alone, I could do very well, but those dreadful Hammers! I hear the clink of them at the end of every cadence of the Bible verses.

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.

Art is not a study of positive reality, it is the seeking for ideal truth.