第一代杂种的同一性，第二代的不相似性，是精确观察者无法忽视的事实。
The uniformity of the hybrids in the first generation, the dissimilarity in the second, are facts which cannot escape the attention of an accurate observer.
"The past is never dead. It's not even past."
Mathematics is not just a collection of abstract theories, but a language that describes the universe.
适应性是在不断变化的市场中生存的关键。
Global challenges require local solutions with global perspectives.
The human body is the most complex puzzle, and medicine is our way of solving it.