科学的真正价值在于它改变我们视角的能力。
"The true value of science lies in its ability to change our perspective."
We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.
You have to trust your instincts.
解释：河流川泽中有污水，深山草野中藏有瘴气，美玉也有微小的瑕疵。