The best way to be happy is to be grateful.
快乐的最好方法是感恩。
数学的本质在于它的自由。
I'm not a rapper, I'm a European legend.
世界上最好和最美丽的东西是看不见甚至摸不到的——它们必须用心去感受。
The difference between ordinary and extraordinary is that little extra.