For many years I was a self-appointed inspector of snowstorms and rainstorms and did my duty faithfully, though I never received payment for it.

It is not so important that many should be good as you, as that there be some absolute goodness somewhere; for that will leaven the whole lump.

The very willow-rows lopped every three years for fuel or powder, - and every sizable pine and oak, or other forest tree, cut down within the memory of man! As if individual speculators were to be allowed to export the clouds out of the sky, or the stars out of the firmament, one by one. We shall be reduced to gnaw the very crust of the earth for nutriment.

The eye which can appreciate the naked and absolute beauty of a scientific truth is far more rare than that which is attracted by a moral one.

You can hardly convince a man of an error in a lifetime, but must content yourself with the reflection that the progress of science is slow. If he is not convinced, his grandchildren may be.

In solitude especialy do we begin to appreciate the advantage of living with someone who can think.

We are constantly invited to be who we are.