对于购并所需资金，波克夏随时作好万全准备，巴菲特说

The most challenging roles are the ones that force you to confront your own fears and insecurities.

Persistence is very important. You should not give up unless you are forced to give up.

A arte é a expressão mais pura da alma humana.

跨行业和跨政府的合作对于应对世界能源挑战至关重要。