That's been one of my mantras - focus and simplicity. Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple. But it's worth it in the end because once you get there, you can move mountains.

Even people who aren't geniuses can outthink the rest of mankind if they develop certain thinking habits.

I believe there exists, & I feel within me, an instinct for the truth, or knowledge or discovery, of something of the same nature as the instinct of virtue, & that our having such an instinct is reason enough for scientific researches without any practical results ever ensuing from them.

I am neither bitter nor cynical but I do wish there was less immaturity in political thinking.

When the sufferers learn to think, then the thinkers will learn to suffer.

High thinking is inconsistent with a complicated material life based on high speed and imposed on us by mammon worship.