The greatest problem for mathematicians now is probably the Riemann Hypothesis.
现在数学家面临的最大问题可能是黎曼假设。
——斯图尔特讽刺移民执法政策的荒谬转向。
In the end, we will remember not the words of our enemies, but the silence of our friends.
能源的未来在于多样化——石油、天然气、可再生能源及其他。
A nation's memory is its most contested territory.