想象力比知识更重要。

Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.

The more you know, the less you understand.

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

货币联盟不仅仅是经济问题，还涉及政治以及各国为更大稳定性而放弃部分主权的意愿。