出自漢·桓寬《鹽鐵論·險固》。這句話以“地利”與“人和”、“武力”與“文德”的對比，闡明了實行仁政對于治國安邦的重要性。
學(xué)習(xí)的本質(zhì)是意義的獲得。
Shit happens!
The Langlands program is a framework for understanding the deeper structures of mathematics.
Quality is not a claim; it is a proof.