We let what we know limit what we can imagine; the result, a failure of imagination.

Believe in one thing too much and you have no room for new ideas.

Qué dañino es el exceso de especialización. Recorta el conocimiento en millones de puntos y lo deja desangrarse.

Sometimes I think I’m restrained by information — that I’m too focused on the finer points of things, too detail-minded, unable to free myself from the hold of other people’s work.

The incessant concentration of thought upon one subject, however interesting, tethers a man's mind in a narrow field.

As soon as one stops searching for knowledge, or if one imagines that it need not be creatively sought in the depths of the human spirit but can be assembled extensively by collecting and classifying facts, everything is irrevocably and forever lost.

Knowledge kills action, for action requires a state of being in which we are covered with the veil of illusion.

When knowledge becomes rigid, it stops living.

[Censoring] knowledge, telling people what they must think and what ideas are impermissible, which lines of evidence may not be pursued, is the aperture to thought police, foolish and incompetent decision-making, and long-term decline.