我一直认为，机器的真正考验在于它在普通劳动者手中的实际效用。

林业的未来在于平衡经济需求与生态责任。

The glory of the heavens is infinite to us.

A man knows when he is growing old because he begins to look like his father.

1925年，孙中山在病榻前对张学良说，指出苏联是红色帝国主义。