Observation is a passive science, experimentation an active science. – Claude Bernard
A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes. – Claude Bernard
Observation is a passive science, experimentation an active science. – Claude Bernard
A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes. – Claude Bernard
It is what we know already that often prevents us from learning. – Claude Bernard