An efficient and valuable man does what he can, whether the community pay him for it or not.

How important is a constant intercourse with nature and the contemplation of natural phenomena to the preservation of moral and intellectual health!

Genius is not a retainer to any emperor.

All these sounds, the crowing of cocks, the baying of dogs, and the hum of insects at noon, are the evidence of nature's health orsound state.

Almost any mode of observation will be successful at last, for what is most wanted is method.

We never conceive the greatness of our fates.

Whatever sentence will bear to be read twice, we may be sure was thought twice.