幸福在于成就的喜悦和创造努力的激动。
一个好的布道是激情对话的一面。
动口不如动手去干,求人不如自己亲自去办。
Art is not made to decorate rooms. It is an offensive weapon in the defense against the enemy.
A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.