Distrust any enterprise that requires new clothes.

It is desirable that a man be clad so simply that he can lay his hands on himself in the dark, and that he live in all respects so compactly and preparedly, that, if an enemy take the town, he can, like the old philosopher, walk out the gate empty-handed without anxiety.

When a man truly commits, the universe will conspire to assure his success.

Philosophy, having crept clinging to the rocks so far, puts out its feelers many ways in vain.

I think that I love society as much as most, and am ready enough to fasten myself like a bloodsucker for the time to any full-blooded man that comes in my way. I am naturally no hermit, but might possibly sit out the sturdiest frequenter of the bar-room, if my business called me thither.

Improve every opportunity to be melancholy.

A man’s ignorance sometimes is not only useful, but beautiful - while his knowledge, so called, is oftentimes worse than useless, besides being ugly. Which is the best man to deal with - he who knows nothing about a subject, and, what is extremely rare, knows that he knows nothing, or he who really knows something about it, but thinks that he knows all?