数学的本质不是把简单的事情复杂化,而是把复杂的事情简单化。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
爱是什么样子?它有双手来帮助他人。它有双脚匆匆赶往穷人和需要帮助的地方。它有眼睛看到痛苦和贫困。它有耳朵听到人们的叹息和悲伤。
过去是幽灵,未来是梦,我们拥有的只有现在。
Thinking consists in envisaging, realizing structural features and structural requirements.