An immunohistochemical vade mecum

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BA MB BCh FRCPath

version date October 2012

Introduction

"I now do see that we can nothing know" - Goethe's Faust

"Ignorance more frequently begets confidence than does knowledge" - Charles Darwin, the Descent of Man

We turn clay to make a vessel;

But it is on the space where there is nothing that

the utility of the vessel depends.

We pierce doors and windows to make a house;

And it is on their spaces where there is nothing that the utility of the house depends.

Therefore, just as we take advantage of what is,

we should recognise the utility of what is not.

TAO TE CHING