You were always a careful student, and your case-book was ever more full than the rest. You were only student then; now you are master, and I trust that good habit have not fail. Remember, my friend, that knowledge is stronger than memory, and we should not trust the weaker.
– Bram Stoker
Dracula, Chapter 10. Van Helsing to Dr. Seward, advising him not to stay in the rigid mindset of rational science. Because there is something that cannot be explained by science does not man it does not exist. While a student with him, Van Helsing has tried to teach Seward about supernatural possession and methods to defeat practitioners of the dark arts.