The only limits you have are the ones you set for yourself.
解析:学习不在数量,而在精通。
The heart is a fragile thing, easily broken, but also capable of immense love and resilience.
预测未来的最好方式就是创造未来。
走向自由,不管在哪,都没有轻松的道路;多数人在到达渴望的巅峰之前,都必须一次又一次穿过被死亡阴影所垄罩的幽暗山谷。