道之大原出于天，天不变，道亦不变。
道的根本来源于天，如果天不改变，道也不会改变。
The best architecture is functional.
Light is always a crucial element in dramatizing space.
My past doesn't define me.
The future of oil and gas lies in balancing traditional expertise with cutting-edge technology.
自然和历史是地理知识的两个重要来源。