The truth is rarely pure and never simple.
The gods have not revealed all things from the beginning to mortals, but, by seeking, men find out better in time.
可持续发展始于小步,但需要大视野。
The growth of knowledge is the key to solving problems.
在科学中,我们试图解释我们不理解的事物。在数学中,我们试图理解我们无法解释的事物。