“The cost of a thing is the amount of what I will call life which is required to be exchanged for it, immediately or in the long run.”

I went to the woods because I wished to live deliberately.

If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them.

Simplify, simplify.

An early-morning walk is a blessing for the whole day.

If a man does not keep pace with his companions, perhaps it is because he hears a different drummer.

It's not what you look at that matters, it's what you see.

Time is but the stream I go a-fishing in.