保持饥饿，保持愚蠢。
Stay hungry, stay foolish.
The essence of causal inference is to go beyond the data and ask what would happen if we intervene.
The night is young, and so am I.
The most important thing in life is to be happy.
We live in a world of shadows, and what we call reality is only the shadow of a shadow.
广东话谚语
出自《魏源集·魏源诗文》。万种感情交集在这(与林则徐见面)苍茫的一天，朋友相逢竟然一句话也说不出来。
"The only way to do great work is to love what you do."