要理解安全通信的未来，首先必须理解当前密码学方法的局限性。
To understand the future of secure communication, one must first understand the limitations of current cryptographic methods.
真相很少纯粹，也绝不简单。
Music is my life, without music I can't live.
我建议年轻艺术家尽己所能地画，只要还能画就不要害怕画得糟糕。