I know that I am intelligent, because I know that I know nothing.
Those who have knowledge, don't predict. Those who predict, don't have knowledge.
An investment in knowledge pays the best interest.
Information is not knowledge.
The great accomplishments of man have resulted from the transmission of ideas of enthusiasm.
Knowledge will give you power, but character respect.
The more you know, the more you realize how much you don't know - the less you know, the more you think you know.
Be a lifelong student. The more you learn, the more you earn and the more self-confidence you will have.
If in the last few years you haven't discarded a major opinion or acquired a new one, check your pulse. You may be dead.