Nothing that is worth knowing can be taught.

A candle loses nothing by lighting another candle.

Better to understand a little than do misunderstand a lot.

Science gives us knowledge, but only philosophy can give us wisdom.

Knowledge can only be volunteered it cannot be conscripted.

Zeal without knowledge is the sister of folly.

The more you possess the more you are possessed.

The more you know, the less you need to say.

Knowledge without transformation is not wisdom.

Your most unhappy customers are your greatest source of learning.

To be conscious that you are ignorant of the facts is a great step to knowledge.

The only thing that I know, is that I know nothing.

The more you know the less you understand.

The eye sees only what the mind is prepared to comprehend.

The way to success is the way of continuous pursuit of knowledge.

Knowledge if not digested does not give nutrition, only adds weight.

Knowledge increases by sharing but not by saving.

The only true wisdom is in knowing you know nothing.

Knowledge is a treasure, but the practice is the key to it.