一人独处应谨慎自己的行为，预知每一心思所含的意念，严肃威仪安于天命，敬人伦以成圣贤，谨慎各种行为以成就德引，改过向善以成贤良。

You can't cut corners on ethics and expect long-term success.

"The key is not to get too high when things are going well and not too low when things are going bad."

检验假设有效性的唯一相关标准是其预测与经验的比较。