The test of a psychological theory is its applicability to life.
人心在任何年龄都只会向同样敞开的心敞开。
现代政治的巨大挑战是将身份认同的要求与自由民主的要求相调和。
发现可能性的极限的唯一方法是超越它们进入不可能。
The impact of unions on wages and employment is often misunderstood.