Henry David Thoreau
“If a man does not keep pace with his companions, perhaps it is beacuse he hears a different drum.  Let him step to the music which he hears, however measured or far away.”
“The mass of men lead lives of quiet desperation. What is called resignation is confirmed desperation. From the desperate city you go into the desperate country, and have to console yourself with the bravery of minks and muskrats. A stereotyped but unconscious despair is concealed even under what are called the games and amusements of mankind. There is no play in them, for this comes after work. But it is a characteristic of wisdom not to do desperate things.”
Walt Whitman
From I Sing The Body Electric "I have perceiv'd that to be with those I like is enough, To stop in company with the rest at evening is enough, To be surrounded by beautiful, curious, breathing, laughing flesh is enough, To pass among them or touch any one, or rest my arm ever so lightly round      his or her neck for a moment, what is this then?  I do not ask any more delight, I      swim in it as in a sea.  There is something in staying close to men and women and looking on them,      and in the contact and odor of them, that pleases the soul well, All things please the soul, but these please the soul well."
Allen Ginsberg
From Howl
"I saw the best minds of my generation destroyed by madness, starving   hysterical naked, dragging themselves through the negro streets at dawn looking for an angry   fix, angelheaded hipsters burning for the ancient heavenly connection to the    starry dynamo in the machinery of night, who poverty and tatters and hollow-eyed and high sat up smoking in the   supernatural darkness of cold-water flats fl oating across the tops of   cities contemplating jazz,"