Sometimes the hardest battles are fought within the silence of our own hearts.
"You can't go back and change the beginning, but you can start where you are and change the ending."
你无法回到过去改变开头，但可以从现在开始改变结局。
真正的冒险不是在地理上的探索，而是在心灵深处的旅程。
预测未来的最好方法就是创造未来。
广东话谚语
The night is a great mirror, but the stars are its reflections.
Mathematics is the art of giving the same name to different things.
我们都有能力改变，但我们必须首先相信这是可能的。
If something fails where you thought it would fail， that is not a failure.