Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
当我走出囚室、迈过通往自由的监狱大门时,我已经清楚,自己若不能把悲痛与怨恨留在身后,那么我其实仍在狱中。
Writing is a way of talking without being interrupted.