The key to success is persistence and continuous improvement.
成功的关键在于坚持和持续改进。
Love is the only reality, and it is not a mere sentiment. It is the ultimate truth.
理论与观测之间的相互作用推动了天体物理学的发展。
Politics is not theory, but practice.
——序,姚伯麟《战后太平洋问题》,1919年9月