I do believe that belief is the most powerful thing we have in this world. So, if we believe in something enough. And we have faith, we can make it a reality. That is basically the basis of my entire career and my entire life.
For humanism also appeals to man as man. It seeks to liberate the universal qualities of human nature from the narrow limitations of blood and soil and class and to create a common language and a common culture in which men can realize their common humanity.
A lot of the ideas or even individual technologies behind Khan Academy are not novel.

