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

If it were possible to talk to the unborn, one could never explain to them how it feels to be alive, for life is washed in the speechless real.

Since it is seldom clear whether intellectual activity denotes a superior mode of being or a vital deficiency, opinion swings between considering intellect a privilege and seeing it as a handicap.

Only a great mind overthrown yields tragedy.

The professionals resemble and recognize each other by virtue of the stigmata that their trade has left upon them. They are like the dog in the fable, whose collar has made an indelible mark around his neck. The amateur is the shaggy wolf whom no dog had better trust too far.

Americans began by loving youth, and now, out of adult self-pity, they worship it.

The reason teaching has to go on is that children are not born human; they are made so.

Above all, do not talk yourself out of good ideas by trying to expound them at haphazard meetings.

Great cultural changes begin in affectation and end in routine.

Teaching is not a lost art, but the regard for it is a lost tradition.