The ratio between supervisory and producing personnel is always highest where the intellectuals are in power. In a Communist country it takes half the population to supervise the other half.

One of the marks of a truly vigorous society is the ability to dispense with passion as a midwife of action - the ability to pass directly from thought to action.

Our originality shows itself most strikingly not in what we wholly originate but in what we do with that which we borrow from others.

The nature of a society is largely determined by the direction in which talent and ambition flow - by the tilt of the social landscape.

The trouble is not chiefly that our universities are unfit for students but that many present-day students are unfit for universities.

Men of thought seldom work well together, whereas between men of action there is usually an easy camaraderie.

Should Israel perish, the holocaust will be upon us.