免费的疫苗比昂贵的治疗更有价值，但更难推广。

建筑是一门艺术，当人们有意或无意地在氛围中创造审美情感，当这种环境产生幸福感时。

The only man who behaves sensibly is my tailor; he takes my measure anew every time he sees me, while all the rest go on with their old measurements.