Peace of mind produces right values, right values produce right thoughts. Right thoughts produce right actions and right actions produce work which will be a material reflection for others to see of the serenity at the center of it all.

A person filled with gumption doesn’t sit about stewing about things. He’s at the front of the train of his own awareness, watching to see what’s up the track and meeting it when it comes. That’s gumption. If you’re going to repair a motorcycle, an adequate supply of gumption is the first and most important tool. If you haven’t got that you might as well gather up all the other tools and put them away, because they won’t do you any good.

There is an evil tendency underlying all our technology - the tendency to do what is reasonable even when it isn't any good.

When you've got a Chautauqua in your head, it's extremely hard not to inflict it on innocent people.

Even in the presence of others he was completely alone.

The number of hypotheses available to explain any given phenomenon is infinite.

One geometry cannot be more true than another; it can only be more convenient. Geometry is not true, it is advantageous.