The pen is mightier than the sword if the sword is very short, and the pen is very sharp.
如果剑很短而笔很锋利,那么笔就比剑更有力量。
There is always something left to love.
The state of your life is nothing more than a reflection of your state of mind.
理论与实验之间的合作对于物理学的进步至关重要。
真相很少是纯粹的,也从来不简单。
优秀的数学家不是知道所有答案的人,而是能提出正确问题的人。