The only limits that exist are the ones you place on yourself.
譯文：人如果沒有長遠(yuǎn)的考慮，必然會埋下深重的禍根。在災(zāi)禍還未萌芽時，又有誰能理解提前預(yù)防的心思呢?
Confidence comes from within. No one can give it to you.
The task of economics is not only to interpret phenomena, but also to provide practical advice and policies for society.