Civilization will not last, freedom will not survive, peace will not be kept, unless a very large majority of the people unite to defend them.
解释:曲子高妙,不是人人都能和唱;说出真相,不是人人都能相信。
I don't let anyone control me.
知识的最大敌人不是无知,而是对知识的幻觉。
真正的科学首先教会人怀疑与承认无知。