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.
我不完美，但我一直在努力变得更好。
We should always follow the path of appearances and withhold judgment.
我不完美 - 我也不假装完美
The Langlands program is a testament to the interconnectedness of mathematical ideas.
The scariest monsters are the ones that lurk within our souls.