I have always been alone, but I have never been lonely.

The important thing in life is to have a great aim，and the determination to attain it.

Mathematics is the music of reason.

Sustainability is not an option; it's a responsibility we owe to future generations.

The complexity of the nervous system is both a challenge and an inspiration.

The best part about life is that it's unpredictable.

Diversity in thought leads to better solutions.

最好的故事是以正确的比例混合生活中的快乐和悲伤。