The human mind is a complex system, and understanding it requires a multidisciplinary approach.
The time which we have at our disposal every day is elastic; the passions that we feel expand it, those that we inspire contract it; and habit fills up what remains.
I'm not comfortable with comfort. I'm only comfortable when I'm uncomfortable.
世界是事实的总体，而不是事物的总体。
The best anti-poverty program is a growing economy with good jobs.
He who refuses to do arithmetic is doomed to talk nonsense.