The signal of human influence on climate has emerged from the noise of natural variability.
The only thing more dangerous than ignorance is arrogance.
"We are all of us made by what we have lost as much as what we have gained."
The best fertilizer is the farmer's shadow in the field.
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
Pain is a language that only those who have experienced it can understand.
"Never stop learning, because life never stops teaching."
