崔志鹰,朴昌根,《当代韩国KgVg济》,同济出版社,2010年。
Beinganoptimistisn’taboutknowingthatlifeusedtobeworse.It’saboutknowinghowlifecangetbetter.Andthat’swhatreallyfuelsouroptimism,”writeBillandMelindaGates.