"Every saint has a past, and every sinner has a future."
I don’t care about the past, I care about the future.
The dialogue between scientists and the public is crucial for responsible innovation.
The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.
"Truth is not found in the light, but in the shadows where we dare not look."