As you know, this little grain of sand has mass. A very small mass, but mass nonetheless." And because this grain of sand has mass, it therefore exerts gravity. Again, too small to feel, but there." Now," Katherine said, "if we take trilions of these sand grains and let them attract one another to form... say, the moon, then their combined gravtiy is enough to move entire ocreans and drag the tides back and forth across our planet.

genius accepts genius unconditionally

Religion has always persecuted science.

Terrorism is not an expression of rage. Terrorism is a political weapon. Remove a government's facade of infallibility, and you remove it's people's faith.

Books make great gifts because they can unveil hidden secrets.

The woman dashed up the staircase toward the library's main doors. Arriving at the top of the stairs, she grabbed the handle and tried desperately to open each of the three giant doors. The library's closed, lady. But the woman didn't seem to care. She seized one of the heavy ring-shaped handles, heaved it backward, and let it fall with a loud crash against the door. Then she did it again. And again. And again. Wow, the homeless man thought, she must really need a book.

I've been through a lot. I've thought a lot about life, and I've spent a lot of time studying history and science.