Being a husband is a whole-time job.

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

Pessimism, when you get used to it, is just as agreeable as optimism.

We need a sense of the value of time - that is, of the best way to divide one's time into one's various activities.

The test of a first-rate work, and a test of your sincerity in calling it a first-rate work, is that you finish it.

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

I don't read my reviews, I measure them.