数学不是沿着一条清理得很好的高速公路小心行进,而是进入一个陌生的荒野的旅程,探险者常常会迷路。
Efficiency without responsibility is just reckless speed.
The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.
漂亮的女人休要让她老去,风流浪的子不要让他贫困。
心理学家必须是一个中立的观察者。
我遇到的那些让我钦佩的人,无一例外都比我读的书多。