If you have any doubt at all about being able to carry a load in one trip， do yourself a huge favor and make two trips.

物理系统的对称性反映在其能级的简并性上。

If you're not failing every now and again, it's a sign you're not doing anything very innovative.

"We are all apprentices in a craft where no one becomes a master."

I'm starting with the man in the mirror. I'm asking him to change his ways.