The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

Understanding the cosmos requires transcending the senses, reaching deeper levels through rational inference and contemplation.

这种相思之情无法消除，刚从眉间消失，却又涌上心头

数据是任何组织的生命线。没有它，决策将基于直觉而非证据。