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解釋：今天不努力做事，明天就會財貨貧乏。過去的時光已經過去了，再也不會回來了。

To teach mathematics is to inspire the next generation of thinkers and problem solvers.

In my solitude of heart I feel the sigh of this widowed evening veiled with mist and rain.

"Persistence and determination are omnipotent."

"The world is a shadow, and the shadow is a lie."

The mind evolves to meet the challenges of existence.

Beauty emerges from function, not the other way around.