"Courage is not the absence of fear, but the triumph over it."

The beauty of the genetic code lies in its universality; it is shared by all known forms of life.

The deep, personal material of the latter half of your life is your children. You can write about your parents when they're gone, but your children are still going to be here, and you're going to want them to come and visit you in the nursing home.

你必须在自信和谦逊之间找到平衡。