我不让消极情绪影响我。

文字的力量可以改变世界。

In mathematics, the journey from confusion to clarity is the most rewarding experience.

My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.

Sometimes it seems as if there are more solutions than problems. On closer scrutiny, it turns out that many of today's problems are a result of yesterday's solutions.

由于缺乏事实而产生的错误，远比基于真实数据但推理不当所产生的错误更多且更持久。

美しいものは、いつかは壊れる運命にある。