Life is too short to worry about what other people think.

The most dangerous poison is the feeling of achievement. The antidote is to think every evening what can be done better tomorrow.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

Success is a journey, not a destination.

"We are all in the gutter, but some of us are looking at the stars."

The quality of a country's institutions is the single most important determinant of its long-term economic performance.