Understanding the limits of computation is essential for advancing the field of computer science.

Civilization will not last, freedom will not survive, peace will not be kept, unless a very large majority of the people unite to defend them.

Innovation in coal mining isn't just about extraction—it's about doing it smarter, cleaner, and more efficiently.

The goal of education is not to increase the amount of knowledge but to create the possibilities for a child to invent and discover, to create men who are capable of doing new things.