A belief may be larger than a fact.
Vannevar Bush

Fear cannot be banished, but it can be calm and without panic; it can be mitigated by reason and evaluation.
Vannevar Bush

If scientific reasoning were limited to the logical processes of arithmetic, we should not get very far in our understanding of the physical world. One might as well attempt to grasp the game of poker entirely by the use of the mathematics of probability.
Vannevar Bush

Science has a simple faith, which transcends utility. It is the faith that it is the privilege of man to learn to understand, and that this is his mission.
Vannevar Bush

The scene changes but the aspirations of men of good will persist.
Vannevar Bush

To pursue science is not to disparage the things of the spirit. In fact, to pursue science rightly is to furnish the framework on which the spirit may rise.
Vannevar Bush