Knowing that you do not know is the best. Not knowing that you do not know is an illness.

Watch your thoughts, they become words. Watch your words, they become actions. Watch your actions, they become habit.

Those who are right do not argue. Those who argue are not right.

Life is a series of natural and spontaneous changes. Don't resist them; that only creates sorrow. Let reality be reality. Let things flow naturally forward in whatever way they like.

Care about what other people think and you will always be their prisoner.

One who believes in himself has no need to convince others.

He who controls others may be powerful, but he who has mastered himself is mightier still.

Knowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power.

In order to eliminate the negative influences, simply ignore them.

Let your workings remain a mystery. Just show people the results.

The leader is a teacher who succeeds without taking credit. And, because credit is not taken, credit is received.

An attentive reader will always learn more, and more quickly, from good authors than from life.

Sometimes I think it is my fate to live in the wreckage and confusion of crumbling houses.

Every big castle was once started with a single block

Do you remember those days? Back porch, sunshine, mason jars" - she paused at remembered sweetness - "we were so foolish then...thinking there was a big ol' world out there to conquer.

Now I'm a scientific expert; that means I know nothing about absolutely everything.

[The Surf Lodge performance] is sort of like an annual thing.

I have a principle I often invoke in class: comfortable people don't grow. Good teachers need to engage in the paradox of making students feel comfortable and uncomfortable in equal measure.

I think our strength is this strong relationship we have all together.

I won't do something just for the sake of working.

Natural selection must be replaced by eugenical artificial selection. This idea constitutes the sound core of eugenics, the applied science of human betterment.