领导力意味着为了更美好的明天而在今天做出艰难的决定。
地球的历史镌刻在它的岩石中。
【大意】为人纯正，行动坦直，所有的邪恶自会止息。
The arithmetic of modular forms is a key to understanding the deeper structures of number theory.
Getting cheated occasionally is the small price for trusting the best of everyone， because when you trust the best in others， they generally treat you best.