If you want to assert a truth, first make sure it's not just an opinion that you desperately want to be true.

If you want to assert a truth, first make sure it's not just an opinion that you desperately want to be true.

如果你想要坚持一个事实，首先要确保它不仅仅是一个你迫切想要成为事实的观点。

-- Neil deGrasse Tyson 尼尔·德格拉西·泰森