Mathematics is not just a human invention; it has a deep reality that exists independently of us.
The paper industry has a rich history, but we must always look forward.
Psychology must be grounded in the facts of living experience.
最好的农民不仅仅是饲养动物，他们是在培育生态系统。
音乐是灵魂的语言。它打开生命的奥秘，带来和平，消除冲突。
质量不是概念；它是一种现实。
The Celts have a close affinity with nature, and we have a great respect for the elements.