当你有能力采取行动时，你所采取的行动就是一个决定。
The time factor is more important than price.
"To read is to travel without moving, to live a thousand lives in one."
To write is to give voice to the voiceless.
数学不是沿着一条清理干净的高速公路小心翼翼地行进，而是一次进入陌生荒野的旅程，探险者常常会迷路。