“I must study politics and war, that our sons may have liberty to study mathematics and philosophy. Our sons ought to study mathematics and philosophy, geography, natural history and naval architecture, navigation, commerce and agriculture in order to give their children a right to study painting, poetry, music, architecture, statuary, tapestry and porcelain.” The Best John Adams Quotes 我認為川普的行為又回到了對戰爭和政治的研究。 讓美國再次偉大。 哈!哈!