Innovation is not about saying yes to everything. It’s about saying no to all but the most crucial features.
The greatest illusion of all is the illusion of separation.
如果你不顽强,你就会过早放弃试验。如果你不灵活,你就会以头撞墙,而不会找到解决问题的不同办法。
The dead might as well try to speak to the living as the old to the young.