1. Nothing is so common-place as to wish to be remarkable.
Autocrat of the Breakfast Table
2. There's nothing that keeps its youth, so far as I know, but a tree and truth.
The Deacon's Masterpiece or the Wonderful One-Hoss Shay
3. Beware how you take away hope from another human being
4. Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground floor.
5. Science is the topography of ignorance.
