悠闲自得，是出于专心勤奋；淡泊安适，是出于恭敬畏惧；无思无虑，是出于善于思考；胆大无畏，是出于小心翼翼。

True scientific progress requires both creativity and discipline.

The hours of folly are measured by the clock, but of wisdom: no clock can measure.

Innovation is not the privilege of a few, but an opportunity for everyone.