资本主义是有史以来帮助人们摆脱贫困的最佳制度。
You don’t know what you can achieve until you try.
Today is difficult, tomorrow is more difficult, but the day after tomorrow is beautiful.
广东话谚语
在科学中,最重要的不是获得新的事实,而是发现思考它们的新方法。
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.