A town is saved, not more by the righteous men in it, than by the woods and swamps that surround it.
Henry David ThoreauOnly he is successful in his business who makes that pursuit which affords him the highest pleasure sustain him.
Henry David ThoreauThe study of geometry is a petty and idle exercise of the mind, if it is applied to no larger system than the starry one. Mathematics should be mixed not only with physics but with ethics; that is mixed mathematics.
Henry David Thoreau