Most of the propositions and questions to be found in philosophical works are not false but nonsensical.
Everything that can be thought at all can be thought clearly. Everything that can be said can be said clearly.
One of the problems with posing a 'bold new plan' is that you can't just extrapolate from previous plans.
Every serious nuclear accident involves operator error, so you want to eliminate the operator altogether.
Sooner or later the space program will need to save us by detecting and deflecting an incoming asteroid.
Technological 'revolutions' don't really overthrow anything - they simply append a new and dynamic market to that which went before.
Not enough people in this world, I think, carry a cosmic perspective with them. It could be life-changing.
Kids are born curious about the world. What adults primarily do in the presence of kids is unwittingly thwart the curiosity of children.
I don't want people to say, 'Something is true because Tyson says it is true.' That's not critical thinking.
Most gravity has no known origin. Is it some exotic particle? Nobody knows. Is dark energy responsible for expansion of the universe? Nobody knows.
When everyone agrees to a single solution and a single plan, there's nothing more efficient in the world than an efficient democracy.
We define ourselves as intelligent. That's odd, because we're doing the definition - We're creating our own definition and saying, 'We are intelligent!'
I don't comment on the physics errors of 'Star Wars,' all right. I just - you let that one go.
Ignorance is a virus. Once it starts spreading, it can only be cured by reason. For the sake of humanity, we must be that cure.
It is absolutely essential that the oppressed participate in the revolutionary process with an increasingly critical awareness of their role as subjects of the transformation.
Manipulation, sloganizing, depositing, regimentation, and prescription cannot be components of revolutionary praxis, precisely because they are the components of the praxis of domination.
It's no sin to make a critical study of Brazil's reality. A small percentage own land. Most people don't.
Poison is in everything, and no thing is without poison. The dosage makes it either a poison or a remedy.
Law is vulnerable to the winds of intellectual or moral fashion, which it then validates as the commands of our most basic concept.
I'm sure Obama is an atheist; I'm sure Kennedy was an atheist, but I doubt if Pope Frank is.
There is only one justification for universities, as distinguished from trade schools. They must be centers of criticism.
