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The world is full of obvious things which nobody by any chance ever observes.

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.

在一個國家中，一個公民的自由就是所有人的自由。

The power of science lies in its universality and selflessness, transcending the boundaries of nations and cultures.

數學是一門活生生的學科，隨著新的思想和發現不斷演變。