In the realm of science, we must be prepared to accept that our most cherished theories may one day be superseded.
在科学领域，我们必须准备好接受我们最珍视的理论有一天可能会被取代。
You are never too old to set another goal or to dream a new dream.
Collaboration across sectors is essential to achieving meaningful progress in emissions reduction.
解释：顺应时代的潮流就会昌盛，背离时代的方向便会走向灭亡。
Anyone who isn't embarrassed of who they were last year probably isn't learning enough.