Sometimes it seems as if there are more solutions than problems. On closer scrutiny, it turns out that many of today's problems are a result of yesterday's solutions.
真正的领导力在于帮助他人发挥他们的全部潜力。
真正的科学首先教会人怀疑与承认无知。
Innovation in quarrying isn't just about new machinery; it's about reimagining how we interact with the earth and communities.