Some things are really necessaries of life in some circles, which in others are luxuries merely and in others still are entirely unknown.
Henry David ThoreauNature refuses to sympathize with our sorrow. She seems not to have provided for, but by a thousand contrivances against it.
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 ThoreauI could not help being struck with the foolishness of that institution which treated me as if I were mere flesh and blood and bones, to be locked up.
Henry David ThoreauHow novel and original must be each new mans view of the universe - for though the world is so old - and so many books have been written - each object appears wholly undescribed to our experience - each field of thought wholly unexplored - the whole world is an America - a New World.
Henry David ThoreauWhat is most striking in the Maine wilderness is the continuousness of the forest, with fewer open intervals or glades than you had imagined. Except the few burnt lands, the narrow intervals on the rivers, the bare tops of the high mountains, and the lakes and streams, the forest is uninterrupted.
Henry David Thoreau