A sense of the value of time... is an essential preliminary to efficient work; it is the only method of avoiding hurry.

Much ingenuity with a little money is vastly more profitable and amusing than much money without ingenuity.

I will never cease advising my friends and enemies to read poetry before anything.

You can only acquire really useful general ideas by first acquiring particular ideas . . . You cannot make bricks without straw.

Time is the inexplicable raw material of everything. With it, all is possible, without it nothing. The supply of time is truly a daily miracle, an affair genuinely astonishing when one examines it.

The parents exist to teach the child, but also they must learn what the child has to teach them; and the child has a very great deal to teach them

Ninety percent of the friction of daily life is caused by tone of voice.