Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

Only in the agony of parting do we look into the depths of love.

It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.

水产养殖的未来在于平衡生态责任与经济增长。