Nobody before the Pythagorean had thought that mathematical relations held the secret — Arthur Koestler
Wisdom cannot be directly transmitted, and does not readily accumulate through the ages. — Edwin Powell Hubble
Wisdom may be the ultimate arbiter, but is seldom the immediate agent in human affairs. — James Fitzjames Stephen
Learned we may be with another man’s learning: we can only be wise with wisdom of our own. — Michel de Montaigne