Ah, but a man's reach should exceed his grasp, or what's a heaven for?

Mathematics is the key and door to the sciences.

Coal miners don't just dig in the dirt, they dig for progress.

The true measure of a company's success is not just its financial performance but its contribution to society.

自然界无处可憎或卑劣，而是处处令人赞叹且无穷无尽。