The pursuit of mathematical truth requires both intuition and rigor.
Nature, to be commanded, must be obeyed.
The bike is my life. I ride it to work, I ride it for fun, I ride it to race, and I ride it to stay alive.
Leadership in sustainability means making decisions that will be praised in 20 years, not just tomorrow.
Were it left to me to decide whether we should have a government without newspapers, or newspapers without a government, I should not hesitate a moment to prefer the latter.