Twenty-seven

At thirty the chances are that a man will understand better the draughts of a chimney than his own respiratory apparatus—to name one of the simple, obvious things; and as for understanding the working of his own brain—what an idea!

Twenty-eight

Science is making it increasingly difficult to conceive matter apart from spirit. Everything lives. Even my razor gets “tired.”

Twenty-nine

No book in any noble library is so interesting, so revealing, as the catalogue of it.

Thirty

Love is the greatest thing in life; one may, however, question whether it should be counted greater than life itself.

Thirty-one

The indispensable preparation for brain-discipline is to form the habit of regarding one’s brain as an instrument exterior to one’s self, like a tongue or a foot.