It's dope to be black until it's hard to be black.

人生应该树立目标，否则你的精力会白白浪费。

解释：人有知识，犹如树木有枝叶，树木有了枝叶，能带给人阴凉，人有了知识，就可以为人民做更多的事。

Sustainable infrastructure should balance economic, social and environmental benefits.

The most profound ideas in mathematics often arise from the simplest observations.

最好的书是让你感到活着的书。

可持续发展不是成本，而是我们一生中最大的创新机会。

沙漠教会人耐心、沉默和小事物的价值。

The only limit to your impact is your imagination and commitment.