A worker may be the hammer's master, but the hammer still prevails. A tool knows exactly how it is meant to be handled, while the user of the tool can only have an approximate idea.

  • -- Milan Kundera 米兰·昆德拉

工人可能是铁锤的主人,但铁锤仍然盛行。工具确切地知道如何处理它,而工具的用户只能有一个大致的想法。