The best art comes from pain.
一个数学家的真正价值在于他们留下的问题。
You are given the gift of life in order to discover what your gift in life is. You will complete your mission when you figure out what your mission is. This is not a paradox. This is the way.
Other holidays repose upon the past; Arbor Day proposes for the future.
教育在经济发展中的作用不可低估;它是创新和生产力的基础。
自然是所有化学变化得以实现的伟大实验室。