The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.

He who knows only his side of the case knows little of that.

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。