科学不是形式逻辑——它需要思想的自由发挥，与其他任何创造性艺术一样。

农业的未来在于平衡生产力与环境责任。

舞蹈、鼓掌、兴奋、欢叫、跳跃、飘飘荡荡、滚滚向前。

你唯一应该回头看的时候是看你已经走了多远。

Human beings are not born once and for all on the day their mothers give birth to them, but life obliges them over and over again to give birth to themselves.

"We all have a responsibility to bear witness to what we see and to speak out against injustice."

购买股票的最佳时机是当它们不受欢迎时。