幸福的关键因素并非是物质的或审美的,而永远是心理上的。
The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.
The best players have the shortest memories.
一个好的模型是准确性和简洁性之间的折衷。
真相很少是纯粹的,也从不简单。