教育者的心必须是一团活生生的火焰，是温暖和光明的源泉。
The heart of the educator must be a living flame, a source of warmth and light.
The key to successful investing is to have a clear understanding of the market, the risks involved, and a disciplined approach.
I made you a great big chocolate sundae for dessert. But I had to eat it myself because I just heard on the radio that ice cream isn't good for dogs.“Disappointment isn't good for dogs either...
The joy of mathematics comes from the moments of clarity when complex things become simple.
He who is content is always happy; endless desires never find satisfaction.