Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.
——1993年12月获颁诺贝尔和平奖
音乐是灵魂的语言。它揭开生命的奥秘，带来和平，消除冲突。
Freedom is not a gift, but a right that must be fought for.