Sustainable quarrying means listening to the land as intently as we listen to shareholders.

The past is always with us, and it shapes who we are.

翻译：遏止邪恶而弘扬善行，顺从天意而赞美生命。

愤怒的时候我会去打球，把怒气发泄在球上。

函数的概念在数学中是基础的，而λ演算试图使这一概念精确化。