To live is to be musical, starting with the blood dancing in your veins. Everything living has a rhythm. Do you feel your music?
数学的本质在于它的自由。
"The truth is not always beautiful, but the pursuit of truth is always beautiful."
解释:不通过学习而能自己知道的,不去请教他人而能自己通晓的,从古到今没有这样的事。
Age isn't how old you are but how old you feel.