Courage, so far as it is a sign of race, is peculiarly the mark of a gentleman or a lady; but it becomes vulgar if rude or insensitive, while timidity is not vulgar, if it be a characteristic of race or fineness of make. A fawn is not vulgar in being timid, nor a crocodile "gentle" because courageous.

A book worth reading is worth buying.

Punishment is the last and the least effective instrument in the hands of the legislator for the prevention of crime.

One can't be angry when one looks at a penguin.

Not without design does God write the music of our lives.

It is among children only, and as children only, that you will find medicine for your healing and true wisdom for your teaching.

I wish they would use English instead of Greek words. When I want to know why a leaf is green, they tell me it is coloured by "chlorophyll," which at first sounds very instructive; but if they would only say plainly that a leaf is coloured green by a thing which is called "green leaf," we should see more precisely how far we had got.