The difference between correlation and causation is not just academic—it can have profound policy implications.

People are curious. A few people are. They will be driven to find things out, even trivial things. They will put things together, knowing all along that they may be mistaken.

译文：学习不以广博为贵，贵在学得正确，说话不以漂亮动听为贵，贵在表达得当。赏析：读书求学要走正道，要有正确的学习观，不能学习旁门左道。和别人交往，说话不一定要动听，一定要正确表达，不要出口伤人。