In statistical work, the right mathematical tool must be used for the right purpose.
在统计工作中,必须为正确的目的使用正确的数学工具。
I think music is the greatest art form that exists, and I think people listen to music for different reasons, and it serves different purposes.
国家是理性的行为者,在无政府状态的国际体系中寻求最大化其权力和安全。
文学是一种对抗遗忘的武器。