男孩和他的心已经成为了朋友，彼此都无法背叛对方
The boy and his heart had become friends, and neither was capable now of betraying the other.
The joy of mathematics is in the struggle to understand.
Technology is the core competitiveness of an enterprise.
The fully realized person is one who has discovered and is developing his or her own potentialities.
为你，千千万万遍。