A man's own addition to what he learns is cement to bind an otherwise loose heap of stones into a structure of unity, strength, and use.

Ignorance may find a truth on its doorstep that erudition vainly seeks in the stars.

Degree is much: the whole Atlantic might be lukewarm and never boil us a potato.

A man's own addition to what he learns is cement to bind an otherwise loose heap of stones into a structure of unity, strength, and use.

Error held as truth has much the effect of truth. In politics and religion this fact upsets many confident predictions.

Boundaries which mark off one field of science from another are purely artificial, are set up only for temporary convenience. Let chemists and physicists dig deep enough, and they reach common ground.

Let truth be a banner big enough to hide the man who holds it up.