Believe in yourself even when no one else does, because that's when it matters most.
解釋：向外物游覽就要要求外物的完備，向自己內(nèi)心求取，則能充實完善自身。
Great leaders don't just manage resources; they create new markets.
數(shù)學(xué)的語言是普遍的，超越了文化和語言的障礙。
Green development is not just a responsibility but also an opportunity.