解释：身居高位的人容易骄纵自满，处于安乐生活中的人容易奢侈。
Every mathematical problem has a solution, but not every solution is immediately apparent.
The beauty of mathematics lies in its ability to reveal the underlying simplicity in what appears to be complex.
Start where you are, with what you have. Make something of it. Never be satisfied.
The best way to ensure peace is to maintain a balance of power among the great powers.