You can always change you plan, but only if you have one.

When you see yourself doing something badly and nobody's bothering to tell you anymore, that's a very bad place to be. Your critics are the ones telling you they still love you and care.

When we're connected to others, we become better people.

I’d compare college tuition to paying for a personal trainer at an athletic club. We professors play the roles of trainers, giving people access to the equipment (books, labs, our expertise) and after that, it is our job to be demanding.

One thing that makes it possible to be an optimist is if you have a contingency plan for when all hell breaks loose.

Brick walls are there for reason. And once you get over them-- even if someone has practically had to throw you over-- it can be helpful to others to tell them how you did it.

He had high hopes for society, and though his hopes were too often dashed, he remained a raging optimist.