"In the middle of difficulty lies opportunity."
The double helix structure of DNA is not only beautiful but also elegantly simple.
人的尊严原则是自然法的其他原则的基础。
Death is present every day, but we don't see it until it touches us directly.
If pleasures are greatest in anticipation,just remember that this is also true of trouble.
The greatest risk lies in not knowing what you're doing.