Success may be the ability to be happy with whatever we're stuck with.

Know the names of past and current artists who are most famous for playing their instruments.

Although spoken English doesn't obey the rules of written language, a person who doesn't know the rules thoroughly is at a great disadvantage.

...there are days when I feel I can do anything and days when I feel I can do nothing. But fortunately for those around me, neither sort occurs very often.

[Adulthood:] It's when you stop doing the stuff you have to make excuses for and when you stop making excuses for the stuff you have to do.

The length of your education is less important than its breadth, and the length of your life is less important than its depth.

Be able to confide your innermost secrets to your mother and your innermost fears to your father.