Memory is a tricky thing; it can be both a comfort and a curse.
记忆是个狡猾的东西；它既可以是安慰，也可以是诅咒。
"The truth is rarely pure and never simple."
Symmetry is a complexity-reducing concept (co-routines include subroutines); seek it everywhere.
Coal will remain part of the energy mix, but it must be cleaner and more responsible.
"The greatest stories are those that linger in the heart long after the last page is turned."