Investigate, educate and organize.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

I have no special talents. I am only passionately curious.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

The most important part of teaching is to teach what it is to know.

Know what you are talking about.

Just because I don't care doesn't mean I don't understand.

Never help a child with a task at which he feels he can succeed.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.

All stable processes we shall predict. All unstable processes we shall control.

Patience is a virtue, and I'm learning patience. It's a tough lesson.

I learned very early the difference between knowing the name of something and knowing something.

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

I do not know how to teach philosophy without becoming a disturber of the peace.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Reading is to the mind what exercise is to the body.

The more I read, the more I acquire, the more certain I am that I know nothing.

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

If there were no bad people, there would be no good lawyers.

A witty saying proves nothing.