每首诗都是一首情诗。
Every poem is a love poem.
我必须研究政治和战争，以便我的儿子们可以自由地研究数学和哲学。
最好的科学家是那些永不停止问为什么的人。
The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.
Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.
