The greatest lessons come from the hardest struggles.

The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

成功的基础建立在团队的力量和材料的质量之上。

责备自己不如改正自己，纠正事情不如端正心态！这自我反省的态度，太值得学习了！并且改变心态往往比改变行为更重要！

We have to be careful not to become stylists.

真相并不总是我们想听到的，但它总是我们需要知道的。

心灵是进化和学习的产物。

I am the happiest creature in the world. Perhaps other people have said so before, but not one with such justice. I am happier even than Jane; she only smiles, I laugh.

No hay que tener miedo a perderse, sino a no encontrarse nunca.

The only real failure in life is not to be true to the best one knows.