The outer world is a reflection of the inner world.
The study of black holes has revolutionized our understanding of space and time.
Literature is the best weapon against intolerance and fanaticism.
A healthy animal is the foundation of a healthy food chain.
译文:有钱人家习惯了奢侈无度,教导子弟却成了难事;贫穷人家要谋生计,还是要靠读书获得出路。赏析:衣食无忧的家庭虽然能给孩子提供良好的物质条件,但也最容易让孩子养成穷奢极侈的作风。读书也许不是人生唯一的出路,但却是普通人最好走的那条路,这条路成本最低。