After that he did some hard thinking.

之后他做了一些苦思冥想。

On the other hand, distilling a lifetime into a series of practical lessons has clearly pushed Mr Broad to do some hard thinking and self-analysis, which makes his book a useful read, especially for anyone engaging in entrepreneurship or philanthropy.

另一方面，布罗德要将自己的一生浓缩成一系列的实践指导，就必然迫使他深入地思考，进行自我分析，也就让他的书读来十分实用，对于那些致力于企业产业和慈善事业的人则更甚。