假使人人都彼此爱护，则天下安治；倘若人人都彼此交恶，则天下大乱。墨家主张兼爱。兼爱，指同时爱不同的人或事物。墨子主张爱无差别等级，不分厚薄亲疏。
In everything， there is a limit beyond which we cannot go.
People fear what they don't understand and hate what they can't conquer.
The joy of chemistry is in the doing, not just the discovering.
可持续性不仅是责任，也是创新的机会。