Let us settle ourselves, and work and wedge our feet downwards through the mud and slush of opinion and tradition, and pride and prejudice, appearance and delusion, through the alluvium which covers the globe, through poetry and philosophy and religion, through church and state, through Paris and London, through New York and Boston and Concord, till we come to a hard bottom that rocks in place which we can call reality and say, "This is and no mistake.

Can there be any greater reproach than an idle learning? Learn to split wood, at least.

If I devote myself to other pursuits and contemplations, I must first see, at least, that I do not pursue them sitting upon another man's shoulders. I must get off him first, that he may pursue his contemplations too.

Where there is an observatory and a telescope, we expect that any eyes will see new worlds at once.

You speak of poverty and dependence. Who are poor and dependent? Who are rich and independent? When was it that men agreed to respect the appearance and not the reality?

Wealth is the ability to fully experience life.

In 1848, Thoreau went to jail for refusing, as a protest against the Mexican war, to pay his poll tax. When RW Emerson came to bail him out, Emerson said, 'Henry, what are you doing in there?' Thoreau quietly replied, 'Ralph, what are you doing out there?'