Functions delay binding; data structures induce binding. Moral: Structure data late in the programming process.

Stray birds of summer come to my window to sing and fly away. And yellow leaves of autumn, which have no songs,flutter and fall there with a sigh.

孔子说：“父母在世时，不要走远，必须远走时，一定要留下准确的地址。”

The core competitiveness of an enterprise is culture, not products.

"To be forgiven is only half the gift. The other half is that we also can forgive, restore the lost, and mend the broken."