我必须拥有鲜花，永远，永远。
I must have flowers, always, and always.
The success of a learning algorithm depends on its ability to balance between fitting the data and avoiding overfitting.
Every book is a door that opens onto another world, and every reader is a traveler who steps through it.
In the depth of the valley is the road to salvation.
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。