唯一的限制是你自己设定的。
The only limit is the one you set yourself.
世界需要务实的解决方案，而不仅仅是理想主义的愿景。
我不需要理由去快乐，我选择快乐。
本当の勇気とは、怖いことを知っていながら、それでも前に進むことだ。
The best writing leaves room for the reader to find their own meaning.
Success is not about being the best, it's about bringing out the best in others.
Safety must always come first in mining operations.
预测未来的最好方法是研究过去。