To effectively communicate, we must realize that we are all different in the way we perceive the world and use this understanding as a guide to our communication with others.

The only true happiness is to learn, to advance, and to improve.

I look back on my life like a good day's work, it was done and I am satisfied with it.

Knowledge has three degrees opinion, science, illumination. The means or instrument of the first is sense; of the second, dialectic; of the third, intuition.

To succeed in business it is necessary to make others see things as you see them.

„Every child is an artist. The problem is how to remain an artist once he grows up.”

The high-minded man must care more for the truth than for what people think.