A handicap is like trying to race and you have a ten pound weight stuck to your waist. That is a handicap.

A runner needs not just to be skinny but - more specifically - to have skinny calves and ankles, because every extra pound carried on your extremities costs more than a pound carried on your torso. That's why shaving even a few ounces off a pair of running shoes can have a significant effect.

If you go to an elite school where the other students in your class are all really brilliant, you run the risk of mistakenly believing yourself to not be a good student.

In cross-country skiing, athletes propel themselves over distances of ten and twenty miles - a physical challenge that places intense demands on the ability of their red blood cells to deliver oxygen to their muscles.

You walk into the class in second grade. You can't read. What are you going to do if you're going to make it? You identify the smart kid. You make friends with him. You sit next to him. You grow a team around you. You delegate your work to others. You learn how to talk your way out of a tight spot.

Do you remember the wrestler Andre the Giant? Famous. He had acromegaly.