The power to edit genes comes with great ethical obligations.
The task must be made difficult, for only the difficult inspires the noble-hearted.
The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.
When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.
The only thing that can make you a hero is your courage.