民主是一种生活方式，而不是一种政治手段。
每个人都有权拥有自己的观点，但没有人有权在事实上出错。
There was another life that I might have had, but I am having this one.
The elegance of a proof is as important as its correctness.
The changes in our life must come from the impossibility to live otherwise than according to the demands of our conscience.