Take from the philosopher the pleasure of being heard and his desire for knowledge ceases.

True knowledge lies in knowing how to live.

We do not need to be shoemakers to know if our shoes fit and just as little have we any need to be professionals to acquire knowledge of matters of universal interest.

The will to do springs from the knowledge that we can do.

Life is a travelling to the edge of knowledge then a leap taken.

In formal logic a contradiction is the signal of defeat but in the evolution of real knowledge it marks the first step in progress toward a victory.

Helping someone come to a saving knowledge of Christ is the greatest achievement possible.

That writer does the most who gives his reader the most knowledge and takes from him the least time.

Knowledge is two-fold and consists not only in an affirmation of what is true but in the negation of that which is false.

Knowledge is the treasure of a wise man.