The Big Bang is not the beginning of everything, but the beginning of our observable universe.
我确信宇宙中充满了智慧生命。只是它们太聪明了,不会来这里。
科学与艺术属于整个世界,在它们面前,民族的障碍都消失了。
Never stop questioning how things can be done better—complacency is the enemy of progress.