The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.
The essence of mathematics is not just in solving problems but in asking the right questions.
The best thing about success is knowing that your work has paid off.
The interplay between quantum mechanics and general relativity is one of the most profound puzzles in modern physics, and solving it may require a complete rethinking of our understanding of the universe.
The answers you get depend on the questions you ask.