Opportunity is missed by most people because it is dressed in overalls and looks like work.
Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.
To invent, you need a good imagination and a pile of junk.
If I find 10,000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is another step forward.
Genius is one per cent inspiration, ninety-nine per cent perspiration.
We cannot be more sensitive to pleasure without being more sensitive to pain.
There is no expedient to which a man will not go to avoid the labor of thinking.
"when you are a Bear of Very Little Brain, and you Think of Things, you find sometimes that a Thing which seemed very Thingish inside you is quite different when it gets out into the open and has other people looking at it."
"I'm not going to do just nothing anymore.""Well, not so much. They don't let you."