Full Idea
I do not reason for the sake of my delight in reasoning, but solely to avoid disappointment and surprise.
Gist of Idea
I reason in order to avoid disappointment and surprise
Source
Charles Sanders Peirce (Criterion of Validity in Reasoning [1903], I)
Book Reference
Peirce,Charles Sanders: 'Philosophical Writings of Peirce', ed/tr. Buchler,Justus [Dover 1940], p.125
A Reaction
Hence Peirce places more emphasis on inductive and abductive reasoning than on deductive reasoning. I have to agree with him. Anyone account of why we reason must have an evolutionary framework. What advantage does reason bestow? It concerns the future.