法律效力的概念对于理解法律的本质至关重要。
The concept of legal validity is crucial for understanding the nature of law.
"Innovation in cancer treatment comes from challenging the status quo."
向更清洁能源的过渡是不可避免的；那些抗拒的人将被抛在后面。
每棵树都讲述一个故事；我们的职责是确保这是一个关于重生而非毁灭的故事。
政府的职责是帮助那些无法自助的人。
“谁如命运似的催着我向前走呢？““那是我自己，在身背后大跨步走着。”
The greatest curse in life is the possession of great talents without the will to use them.
I don't let failure define me. I let it refine me.
The story of human origins is still being written.