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The greatest threat to our planet is the belief that someone else will save it.
There are still many causes worth sacrificing for, so much history yet to be made.
I am among those who think that science has great beauty.
儿童应该得到成人的爱,而不是成人忙于生活所残余的爱。
Sustainable farming isn't a cost—it's the smartest investment we can make.