我们必须保持警惕，坚决与一切内外敌人作斗争。
We must be vigilant and resolutely fight against all enemies, both internal and external.
猫与谎言最大的差别是，猫有九条命。
出自唐代诗人李绅的《悯农》，李子柒在视频中引用过。
Your time is limited, so don't waste it living someone else's life.
神经系统是一个动态的、不断变化的系统。
Success is not just about what you achieve, but how you achieve it.
Don’t let success go to your head or failure go to your heart.