A house is no home unless it contains food and fire for the mind as well as for the body. For human beings are not so constituted that they can live without expansion. If they do not get it in one way, they must in another, or perish.

As to marriage, I think the intercourse of heart and mind may be fully enjoyed without entering into this partnership of daily life.

Very early, I knew that the only object in life was to grow.

Next to invention is the power of interpreting invention; next to beauty the power of appreciating beauty.

Beware of over-great pleasure in being popular or even beloved.

It is astonishing what force, purity, and wisdom it requires for a human being to keep clear of falsehoods.

Every fact is impure, but every fact contains in it the juices of life. Every fact is a clod, from which may grow an amaranth or a palm.