Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.

Somewhere, something incredible is waiting to be known.

Knowledge will give you power, but character, respect.

Employ your time in improving yourself by other men's writings, so that you shall gain easily what others have labored hard for.

Knowing is not enough, you must apply; willing is not enough, you must do.

As our circle of knowledge expands, so does the circumference of darkness surrounding it.

There is only one good, knowledge, and one evil, ignorance.

I'm not a master, I'm a student-master, meaning that I have the knowledge of a master and the expertise of a master, but I'm still learning, So I'm a student-master. I don't believe in the word master, I consider the master as such when they close the casket.

What gets us into trouble is not what we don't know. It's what we know for sure that just ain't so.

Now the reason the enlightened prince and the wise general conquer the enemy whenever they move and their achievements surpass those of ordinary men is foreknowledge.