It is much better to learn the elements of geology, of botany, or ornithology and astronomy by word of mouth from a companion than dully from a book.

The happiest man is he who learns from nature the lesson of worship

Live well, learn plenty, laugh often, love much.

Scholarship is to be created not by compulsion, but by awakening a pure interest in knowledge.

Heaven sometimes hedges a rare character about with ungainliness and odium, as the burr that protects the fruit.

Guard your own spare moments. They are like uncut diamonds.

All men plume themselves on the improvement of society, and no man improves.