True progress in farming comes from observing and learning from nature.

The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.

养儿子不教育和养驴没有什么区别，养女儿不教育也和养猪没什么区别；妻子如果贤惠，丈夫就少遭祸患，儿子如果孝顺，父亲就心情舒畅。