Pig farming is a technical job, but more importantly, a conscientious job.

战争即和平。自由即奴役。无知即力量。

这句话杨在不同场合说过多次，每次表述时可能有个别字的差异。

What you have to do is break all the rules.

"If you’re feeling lost, just look inside yourself."

The only way to do great work is to love what you do.

The only limits you have are the limits you believe.

The past is always tense, the future perfect.

The best management is a true science, resting upon clearly defined laws, rules, and principles.

The oil and gas industry must evolve, or it will become obsolete.