I had three chairs in my house; one for solitude, two for friendship, three for society.

Do what nobody else can do for you. Omit to do anything else.

We cannot see anything until we are possessed with the idea of it, take it into our heads,--and then we can hardly see anything else.

It is said that some Western steamers can run on a heavy dew, whence we can imagine what a canoe may do.

I am no more lonely than the loon in the pond that laughs so loud, or than Walden Pond itself. What company has that lonely lake,I pray?

Philanthropy is almost the only virtue which is sufficiently appreciated by mankind.

Go confidently ... Live the life that you imagined.