I am not the richest person, but I am the happiest person.

Life is full of uncertainties, and that is what makes it interesting.

科学的发展离不开创新和合作。

"A novel is a mirror carried along a high road. Sometimes it reflects to your eyes the blue of the skies, at others the churned-up mud of the road."

即使上帝也无法使二加二不等于四。