"Beauty is a form of genius—is higher, indeed, than genius, as it needs no explanation."

The process of discovery in mathematics is often more important than the result itself.

人は、困難を乗り越えることで、強くなる。

The best revenge is massive success.

正派人的话，明明知道了为了我好，内心感激却未必高兴；奸邪人的话，明明知道是在奉承我，但听着十分顺耳，所以未必生气。由此可知听取忠言是多么艰难。