“ Eventually people will realize thet mistakes are meant for learning not repeating. 最终人们会认识到错误是为了学习而不是重复。 Unknown 佚名
“ You have to test your hypothesis against other theories. Certainty in the face of complex situations is very dangerous. 你必须用其他理论来检验你的假设。在复杂的情况下,确定性是非常危险的。 Richard Holbrooke 霍尔布鲁克