Julie Snyder and Sarah Larson:

What is the whole truth? And how do you know when you've found it? Can it even be found?

Marcelo Gleiser:

As the Island of Knowledge grows, so do the shores of our ignorance.

Ken Caldeira:

The class of things that we think we know but don't is bigger than we think.

Ed Caesar:

What we know is always dwarfed by what we can never know.

Charlie Huenemann:

Technology is great, but the more advanced it gets, the more likely it is that its fundamental principles will become obscure to us.

Taylor Swift:

I have to stop myself from thinking about how many aspects of technology I don't understand.

Freeman Dyson:

Science is not concerned only with things that we understand. The most exciting and creative parts of science are concerned with things that we are still struggling to understand. Wrong theories are not an impediment to the progress of science. They are a central part of the struggle.