子曰：“为政以德。譬如北辰，居其所而众星拱之。”
孔子说：“管理国家要以身做则。如同北极星，安然不动而众星绕之。”
Life is constantly letting go, but the biggest regret is that we don't have time to say goodbye properly.
Sustainability isn't just about planting trees—it's about planting the right trees in the right places, for the right reasons.
学习问题的复杂性通常由假设空间的大小和结构决定。