I'm not perfect, but I'm perfectly me.
实现明天理想的唯一障碍是今天的疑虑。
"We are entering an era where quantum phenomena will become engineering tools."
Perhaps unhappiness can stem from having only one perspective to play with.
宇宙是一个相当大的地方。如果只有我们,那似乎是对空间的极大浪费。
过去半个世纪最重要的政治发展是自由民主在世界范围内的传播。