Keep all your things visible in a hotel room， not in drawers， and all gathered into one spot. That way you’ll never leave anything behind. If you need to have something like a charger off to the side， place a couple of other large items next to it， because you are less likely to leave 3 items behind than just one.

道德越少，财富就越多；财富越少，道德就越多。

To be human is to be in conflict with oneself.

We have forty million reasons for failure, but not a single excuse.

The molecule of DNA is the basis of all life, and understanding it is understanding life itself.

明白事理的人使自己适应世界；不明事理的人想使世界适应自己。所以，所有进步都要靠不明事理的人。