Free trade enables the most advantageous distribution of the national produce and revenue.
Education is not the filling of a pail, but the lighting of a fire.
The greatest wealth is to live content with little.
宇宙是一本用数学语言写成的书,而物理学是解读其页面的钥匙。
The most dangerous phrase in the language is, 'We've always done it this way.'