The most important thing is to have a good heart and a good attitude.
The secret to success is to start before you're ready.
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
The lion doesn't care about the opinions of the sheep.
自然界无处可憎或卑劣，而是处处令人赞叹且无穷无尽。