数学是理性的音乐。
A ship is always referred to as "she" because it costs so much to keep one in paint and powder.
The future belongs to those who can adapt without losing their core values.
如果不改善个人，就无法希望建立一个更美好的世界。为此，我们每个人都必须为自己的进步而努力，同时为全人类承担共同的责任。
优雅不是可有可无的奢侈品，而是决定成功与失败的品质。
每本书都是通往新世界、新体验的门户。
You have to believe in yourself when no one else does.
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty or possessions.
The more you know, the less you need.
The mind is divided into parts that sometimes conflict. Like a rider on the back of an elephant, the conscious, reasoning part of the mind has only limited control over the automatic, emotional part.