The challenge is to ensure that the Internet remains a force for good, a tool for empowerment, and a platform for innovation.
你不能在空荡荡的肚子和人类的苦难上建立一个和平的世界。
There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.
生活就像是故事一样:不在乎长度,而在于质量,这才是问题的关键。
在数学中,提出问题的艺术必须比解决问题更有价值。