困难和挫折不是前进的障碍,而是攀登科学高峰的阶梯;迎着困难上才具有挑战性和创造性,才能不断开拓新的天地。——中国工程院院士王任享学而知不足,思而致远虑;勤奋以求进,执著始探新。——中国工程院院士盖钧镒 Difficulties and setbacks are not an obstacle to progress. They are the ladder to climbing the peak of science. Only challenging and creative in the face of difficulties can we continuously open up new worlds. - Chinese Academy of Engineering Wang Ren enjoy learning and lack of knowledge, think of the long distance; diligent in order to progress, persistent persistent exploration of new. - Chinese Academy of Engineering Gai Jun 镒