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

Let every dawn of morning be to you as the beginning of life, and every setting sun be to you as its close: — then let every one of these short lives leave its sure record of some kindly thing done for others — some goodly strength or knowledge gained for yourselves.

When we build, let us think that we build forever.

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.

No art can be noble which is incapable of expressing thought, and no art is capable of expressing thought which does not change.

Geology does better in reclothing dry bones and revealing lost creations, than in tracing veins of lead and beds of iron; astronomy better in opening to us the houses of heaven than in teaching navigation; surgery better in investigating organiation than in setting limbs; only it is ordained that, for our encouragement, every step we make in science adds something to its practical applicabilities.

Of all the pulpits from which human voice is ever sent forth, there is none from which it reaches so far as from the grave.