The man who is fit to handle pig iron is not fit to handle the management of pig iron.

竞争是一种顽强的野草，而非娇嫩的花朵。

L'avenir, c'est l'éternité plus un jour.

In productive thinking, the transition from blind manipulation to understanding is crucial.

The architecture of cognition constrains the forms of knowledge representation.

Don't wait for opportunity, create it.