I have to be alone very often. I'd be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That's how I refuel.
"The past is always with us, and it shapes who we are."
The best discoveries are those that raise more questions than they answer.
【解释】人常常在忧患困苦中,才能磨练意志,增长才干。
Every mathematical problem has a solution; you just need to find the right perspective.