数学的本质在于它揭示模式和对称性的力量。
The essence of mathematics lies in its power to reveal patterns and symmetries.
When you invest in soil health, you're investing in the health of every living being.
Nothing spoils a romance so much as sense of humour in the woman—or the want of it in the man.
Laughter is timeless,  imagination has no age, and dreams are forever.
Pain is temporary, but quitting lasts forever.