世界需要负担得起、可靠且更清洁的能源。

Optimism is a learned skill.

对物体基本粒子相对重量的研究是一个全新的课题，就我所知，此前无人涉足。

The performance standard is 'Zero Defects'.

The only thing that is truly valuable is the time you spend doing what you love.

The goal of diplomacy is to resolve disputes through dialogue and cooperation, and promote sustainable peace and development.

Mental activity is always directed toward some end.

O sonho é a matéria-prima da realidade.

一本好书是我生命中的一个事件。