I, who cannot stay in my chamber for a single day without acquiring some rust,... confess that I am astonished at the power of endurance, to say nothing of the moral insensibility, of my neighbors who confine themselves to shops and offices the whole day for weeks and months, aye, and years almost together. I know not what manner of stuff they are of,--sitting there now at three o'clock in the afternoon, as if it were three o'clock in the morning.
Henry David ThoreauTake long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.
Henry David ThoreauAs you simplify your life, the laws of the universe will be simpler; solitude will not be solitude, poverty will not be poverty, nor weakness weakness.
Henry David Thoreau