"It's really important for boys to see that girls take up half of the planet - which we do"

"The referee is going to be the most important person in the ring tonight besides the fighters"

"Tomorrow is the most important thing in life. Comes into us at midnight very clean. It's perfect when it arrives and it puts itself in our hands. It hopes we've learned something from yesterday"

"It's important that people know what you stand for. It's equally important that they know what you won't stand for"

"In thinking about nanotechnology today, what's most important is understanding where it leads, what nanotechnology will look like after we reach the assembler breakthrough"

"Disciplining yourself to do what you know is right and important, although difficult, is the highroad to pride, self-esteem, and personal satisfaction"

"Wonder if there is life on another planet? Let's suppose there is. Suppose further, that only one star in a trillion has a planet that could support life. If that were the case, then there would be at least 100 million planets that harbored life"

"Family is not an important thing, it's everything"

"The important thing is not to stop questioning. Curiosity has its own reason for existing"

"Important principles may, and must, be inflexible"

"It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn't feel like a giant. I felt very, very small"