For the level of condition that I have now, that was without a doubt the hardest physical thing I have ever done. I never felt a point where I hit the wall. It was really a gradual progression of fatigue and soreness. – Lance Armstrong
The improver of natural science absolutely refuses to acknowledge authority, as such. For him, scepticism is the highest of duties: blind faith the one unpardonable sin. – Thomas Henry Huxley, Lay Sermons, Addresses and Reviews, 1871