变革在开始时最难，在中间最混乱，在结束时最好。
Change is hardest at the beginning, messiest in the middle, and best at the end.
The only thing I have is my voice and my story.
The only limit is the one you set for yourself.
你有没有为将来打算过呢？
The reward of seeing the joy on the faces of the parents is immense.
DNA的结构不仅仅是一个发现；它是生物学上的一场革命。