Whoever does not have a good father should procure one.

The 'kingdom of Heaven' is a condition of the heart - not something that comes 'upon the earth' or 'after death.'

Let us beware of saying that death is the opposite of life. The living being is only a species of the dead, and a very rare species.

The doer alone learneth.

In large states public education will always be mediocre, for the same reason that in large kitchens the cooking is usually bad.

Experience, as a desire for experience, does not come off. We must not study ourselves while having an experience.

To use the same words is not a sufficient guarantee of understanding one must use the same words for the same genus of inward experience ultimately one must have one's experiences in common.

A casual stroll through the lunatic asylum shows that faith does not prove anything.

Faith: not wanting to know what is true.

Fear is the mother of morality.