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Mathematics is the language with which God has written the universe.
The past is a foreign country; they do things differently there.
All changes, even the most longed for, have their melancholy; for what we leave behind us is a part of ourselves; we must die to one life before we can enter into another.
The circular economy isn't just an ideal—it's a practical business model waiting to be scaled.
The real reward in science is contributing to something greater than yourself.
I prefer the destruction of the whole world to the scratching of my finger.