The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.

I'm not a dreamer, I'm a doer.

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

如果您不愿意对它们负责，那就不要有好主意。

You've got to have passion for what you're doing.

The ending of a mystery novel is often unexpected, yet it makes perfect sense.

I just want to make people happy.