No one can cheat you out of ultimate success but yourself.

One idea lights a thousand candles.

Speech is power: speech is to persuade, to convert, to compel. It is to bring another out of his bad sense into your good sense.

Sincerity is the highest complement you can pay

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.

I have sometimes thought that, in order to be a good minister, it was necessary to leave the ministry. The profession is antiquated. In an altered age, we worship in the dead forms of our forefathers.

A little praise goes a great ways.