诗人的话语是他们灵魂的回声。
The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.
一个好计划的最大敌人是完美计划的梦想。
艺术家的角色是提出问题,而不是回答它们。
The only way to change behavior is through manipulation of reinforcement contingencies.