For the knowledgeable, words are the best display.
对于有知识的人来说,言语是最好的展示。
Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.
自然界中每年的痛苦总量超出了所有体面的思考范围。
创新不仅仅是技术的问题;它关乎改变人们的思维和行为方式。
我们必须平衡眼前的能源需求与长期的可持续性目标。