最好的藝術(shù)作品是提出問題而不是提供答案。
數(shù)學(xué)的本質(zhì)不僅在于解決問題，還在于提出正確的問題。
The victim should have the right to end his life, if he wants. But I think it would be a great mistake. However bad life may seem, there is always something you can do, and succeed at. While there's life, there is hope.