Don't criticize what you can't understand.
我因展望未来而感受到的喜悦——成为注定从世界上消除最大灾难之一的工具,与享受独立、家庭和平与幸福的殷切希望交织在一起,常常占据了我的整个心灵。
You are never too old to set another goal or to dream a new dream.
"The unexamined life is not worth living."
"The world is changed by your example, not by your opinion."