For science is ... like virtue, its own exceeding great reward.

Cheerfulness is full of significance: it suggests good health, a clear conscience, and a soul at peace with all human nature.

Did it ever strike you that goodness is not merely a beautiful thing, but by far the most beautiful thing in the whole world? So that nothing is to be compared for value with goodness; that riches, honor, power, pleasure, learning, the whole world and all in it, are not worth having in comparison with being good; and the utterly best thing for a person is to be good, even though they were never to be rewarded for it.

Pray over every truth; for though the renewed heart is not "desperately wicked," it is quite deceitful enough to become so, if God be forgotten a moment.

If I am ever obscure in my expressions, do not fancy that therefore I am deep. If I were really deep, all the world would understand, though they might not appreciate. The perfectly popular style is the perfectly scientific one. To me an obscurity is a reason for suspecting a fallacy.

There's no use doing a kindness if you do it a day too late.

Do noble things, not dream them all day long: And so make Life, Death, and the vast Forever one grand, sweet song.