地质学是研究自然界有机和无机领域连续变化的科学。
You can't manage what you don't measure.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
The act of painting is a way of thinking, a way of understanding the world.
Success is not final, failure is not fatal: It is the courage to continue that counts.