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.
投资可再生能源和更清洁的技术是我们对可持续未来承诺的一部分。
思考者最大的幸福是理解可理解的事物,并默默地敬畏不可理解的事物。