The speed of change is such that we have to run faster just to stay in the same place.
In three words I can sum up everything I've learned about life: it goes on.
Mathematics is not a spectator sport; to understand it, one must engage with it actively.
在你的生活中,有几个地方,或者可能只有一个地方,发生了某件事,然后还有其他所有地方。