Simple English is no one’s mother tongue. It has to be worked for.

Vanity is a static thing. It puts it faith in what it has, and is easily wounded. Pride is active, and satisfied only with what it can do, hence accustomed not to feel small stings.

The truth is, when all is said and done, one does not teach a subject, one teaches a student how to learn it.

The book, like the bicycle, is a perfect form.

In a large university, there are as many deans and executive heads as there are schools and departments. Their relations to one another are intricate and periodic; in fact, "galaxy" is too loose a term: it is a planetarium of deans with the President of the University as a central sun. One can see eclipses, inner systems, and oppositions.

The reason why research is like sculpting from memory is that in neither is there a concrete visible subject to copy directly. The subject - as sculptors themselves are fond of saying - is hidden in the block of material.

Above all, the ability to feel the force of an argument apart from the substance it deals with is the strongest weapon against prejudice.