To obtain a man's opinion of you, make him mad.

A person is always startled when he hears himself seriously called an old man for the first time.

We are all tattooed in our cradles with the beliefs of our tribe; the record may seem superficial, but it is indelible. You cannot educate a man wholly out of the superstitious fears which were early implanted in his imagination; no matter how utterly his reason may reject them...

Don't you stay at home of evenings? Don't you love a cushioned seat in a corner, by the fireside, with your slippers on your feet?

Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground-floor. But if a man hasn't got plenty of good common sense, the more science he has, the worse for his patient.

Love is the master key that opens the gates of happiness.

Language is the blood of the soul into which thoughts run and out of which they grow.