"The unexamined life is not worth living."
实现明天的唯一限制将是我们今天的疑虑。
The chemical industry must lead the charge in sustainability, or we will all pay the price.
不要因为它结束了而哭泣,要因为它发生过而微笑。
农业的可持续性不是一种选择,而是对后代子孙的必要责任。
The language of mathematics is universal, transcending cultural and linguistic barriers.
"The truth is rarely pure and never simple."