Substantial progress toward better things can rarely be taken without developing new evils requiring new remedies.

Substantial progress toward better things can rarely be taken without developing new evils requiring new remedies.

如果不发展出需要新疗法的新弊病，就很难在朝着更好的方向取得实质性进展。

-- William Howard Taft 威廉·霍华德·塔夫脱