A scientist may not be sure of the answer, but he's often sure he can find one. And that's a condition which is clearly not enjoyed by philosophy.
The real question is not whether machines think but whether men do. The mystery which surrounds a thinking machine already surrounds a thinking man.
Once in a while a new government initiates a program to put power to better use, but its success or failure never really proves anything. In science, experiments are designed, checked, altered, repeated-- but not in politics... We have no real cumulative knowledge. History tells us nothing. That's the tragedy of a political reformer.
Education is what survives when what has been learnt has been forgotten.
A fourth-grade reader may be a sixth-grade mathematician. The grade is an administrative device which does violence to the nature of the developmental process.