The consequences of a plethora of half-digested theoretical knowledge are deplorable.

Knowledge keeps no better than fish.

It must be admitted that there is a degree of instability which is inconsistent with civilization. But, on the whole, the great ages have been unstable ages.

Some of the finest moral intuitions come to quite humble people. The visiting of lofty ideas doesn't depend on formal schooling.

Fertilization of the soul is the reason for the necessity of art.

Our reasonings grasp at straws for premises and float on gossamers for deductions.

Dogmatism is the anti-Christ of learning.