写作是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。

Behavior is determined by the current stimulus situation and past reinforcement history.

The future of energy lies in diversification and low-carbon solutions.

Democracy means simply the bludgeoning of the people by the people for the people.

信任是每一段成功商业关系的基础。

人は、困難を乗り越えることで、強くなる。