Truth is a free creation of the human spirit, that never would exist at all if we did not generate it ourselves.

【大意】说话一定要讲信用，约定了就一定要做到，这是天下的高尚行为。

I'm grateful for every moment, every experience, and every person in my life.

DNA的双螺旋结构是所有科学中最美丽和优雅的结构之一。