"Courage is very important. Like a muscle, it is strengthened by use"

"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"

"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"

"The Domain Name Server (DNS) is the Achilles heel of the Web. The important thing is that it's managed responsibly"

"States get to improve transportation infrastructure; that creates economic development, puts people back to work and, most important, enhances safety and improves local communities"