身体单薄无力，就不要去背负重物，说话没有分量，就不要去规劝别人；没有钱就不要到人群中去，遭遇困难之际千万别去寻求亲戚的帮助。

The principles of conditioning apply equally to all species.

Factoring large numbers is believed to be hard for classical computers, but quantum computers can do it efficiently.

There's no one-size-fits-all solution to development challenges.

The mystery of the room is in the play of light.

Any woman who understands the problems of running a home will be nearer to understanding the problems of running a country.

The path to discovery is rarely a straight line.