Innovation in leather tanning isn't just about new chemicals; it's about rethinking the entire lifecycle of the material.
The real tragedy of the poor is that they can afford nothing but self-denial.
心是个奇怪的东西，它破碎了却仍能跳动。
Mathematics is not a spectator sport; to understand it, one must engage with it actively.
The world needs to hear this guy. He's helped me discover a whole other side of myself that's been present all along but not acknowledged by me.