My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.
最可持续的森林是既能满足人类需求又能屹立不倒的森林。
如果能够擂鼓让天下的人都达到义，那么我的义难道不是更进一步了吗？
"El silencio también es una forma de expresión."
What is necessary to change a person is to change his awareness of himself.