孔子曰：“侍于君子有三愆：言未及之而言，谓之躁；言及之而不言，谓之隐；未见颜色而言，谓之瞽。”
孔子说：“陪君子说话要注意三种毛病：没到说的时候就说，叫做急躁；到该说的时候不说，叫做隐瞒；不顾对方的表情就说，叫做睁眼瞎。”
The first task is to understand the problem, the second to find a solution, and the third to carry it out.
Ethical practices are not negotiable in our industry.
A good mathematician is lazy, but in a constructive way.
解释：要紧紧抓住时机不能错过，错过了也不能延误太久。