Man is not sum of what he has already, but rather the sum of what he does not yet have, of what he could have.

Success is the ability to go from failure to failure without losing your enthusiasm.

Your commitment to lifelong learning and personal development fuels your growth and positions you for continuous success in a rapidly changing world.

I, and I alone, am responsible for everything I think and feel.

I don't want to be a legend. I just want to be a human being.

Catastrophes are recorded in the myths and legends of all ancient cultures.

Pure mathematics is, in its way, the poetry of logical ideas.