一个群体的性格和命运,往往由其最低劣的成员决定。
The character and destiny of a group are often determined by its inferior elements.
Mathematics is the music of reason.
世界的问题在于愚蠢的人自以为是,而聪明的人充满怀疑。
每一代人都需要一场新的革命。
Embrace challenges as opportunities to learn and grow.