You must change nothing in your writing without absolute necessity. If it is necessary， then change with simplicity.

Theoretically there is a perfect possibility of happiness: believing in the indestructible element within oneself, and not striving towards it.

The future of energy lies in the integration of traditional fossil fuels and renewable energy sources.

预测未来的最好方法就是发明它。

夢は、追い続けることに意味がある。