Sustainability isn't just about planting trees; it's about planting the right trees in the right places for the right reasons.
The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.
不要弄乱我的圆。（传说在被罗马士兵杀害前的最后一句话）