I always try to be positive, even in tough moments.
The only valid data for psychology are the reports of trained observers.
The meaning of life lies not in the answers, but in the questions.
Life is about taking chances, trying new things, having fun, making mistakes and learning from them.
我不害怕把想法推向极端。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the historical process.