Sustainability in agriculture isn't an option—it's a necessity for survival.
I am what I choose, but I am also what I choose not to be.
In the wild, you learn to appreciate the little things. They often make the biggest difference.
The past is a wound that never heals.
自守表示的研究是理解朗兰兹猜想的关键。
He has not learned the first lesson of life who does not every day surmount a fear.