If you gamble long enough, you'll always lose -- the gambler is always ruined.

Having wallowed in a delightful orgy of anti-French sentiment, having deplored and applauded the villains themselves, having relished the foibles of bankers, railwaymen, diplomats, and police, the public was now ready to see its faith restored in the basic soundness of banks, railroads, government, and police.

If you don't know history, then you don't know anything. You are a leaf that doesn't know it is part of a tree.

Exercise invigorates the body and sharpens the mind.

The notion that the natural world obeys its own rules and doesn't give a damn about your expectations comes as a massive shock. But the natural world is not so malleable. On the contrary, it will demand that you adapt to it - and if you don't, you die.

When I get sick, I go to my doctor like everyone else. A doctor has powerful tools that may help me. Or those tools may hurt me, make me worse. I have to decide. It's my life. It's my responsibility.

For our own species, evolution occurs mostly through our behavior. We innovate new behavior to adapt.