The only thing we have to fear is the absence of fear itself.
The essence of mathematics lies in its freedom.
我想解放美国,我希望人们为自己是谁而感到自豪。
Sustainability is not an option; it's a necessity for the future of mining.
创新不仅仅是技术的问题;它关乎我们思考和行动方式的改变。