Doubt is not to be feared… If you know that you are not sure, you have a chance to improve the situation.


lecture, April, 1963, in Feynman, The Meaning of It All [1998]


Doubt is not to be feared… If you know that you are not sure, you have a chance to improve the situation.

Doubt is not to be feared… If you know that you are not sure, you have a chance to improve the situation.

Doubt is not to be feared… If you know that you are not sure, you have a chance to improve the situation.

Doubt is not to be feared… If you know that you are not sure, you have a chance to improve the situation.