“ If mathematics is to be understood widely, we need to emphasise its elegance and its applications. Sometimes it seems that universities want to emphasise how difficult it is! 要使数学得到广泛的理解,我们需要强调它的优雅及其应用。有时候,大学似乎想强调这是多么困难! Johnny Ball 约翰尼·鲍尔
“ The end of science is not to prove a theory, but to improve mankind. 科学的目的不是证明一个理论,而是改善人类。 Manly Hall 曼理·霍尔