The trade-off between bias and variance is a fundamental concept in machine learning.

——1963年6月25日在西德市政厅柏林墙前的演说

Corporate social responsibility is not just about philanthropy, but about creating shared value for all stakeholders.

To die for one's country is such a worthy fate that all compete for so beautiful a death.

The periodic table hasn't changed, but how we use its elements must.