For the sake of brevity, displaying only the first 8 of the 13 reasons.

The Top 13 Reasons For Staying In The EU… Debunked
James Delingpole | Breitbart
June 8, 2016
http://bit.ly/1YddAi3

[snip]

1. “It will create uncertainty.” (Usually followed by the phrase “…and business hates uncertainty…”)
This is, literally, an infantile argument. Babies live in the present and want everything now. Grown ups understand the importance of deferred gratification

2. “The pound will fall“.
It may (Benefitting UK exporters whose products will become, relatively, better value). Then it may rise. Or not.

3. “It grants us a place at the top table“
Yes, a table that we’d be sitting at anyway owing to the fact that we’re the world’s fifth largest economy with the world’s fourth highest military budget, which once owned, ran or traded with more than half the atlas

4. “Membership of a club.”
Whose exorbitant (£18 billion a year) annual membership fee entitles us to what, exactly? Overpriced food and drink kept high by protectionism and tariffs?

5. “We’re not quitters“. (David Cameron)
If only the British Expeditionary Force had stayed behind in Dunkirk in 1940 to be annihilated: that would have taught Herr Hitler a lesson he would never have forgotten.

6. “Inward-looking”; “Little Englander“

7. “I’m not sitting here for one minute saying this organisation is perfect…” (David Cameron;)

8. “Our history is bound with Europe‘s” (See Niall Ferguson who appears to have decided that on this occasion he’d rather play the courtier than be an historian)

Yeah, in the early 18th century we helped relieve it from the tyranny of Louis XIV, in the early 19th century we freed it from the shackles of the Napoleonic Empire, and in the early 20th century we sacrificed our Empire and the flower of our youth in order to rescue it from Germany. And on every occasion the reason we could do this because we retained our independence from the Continent, true to Churchill’s dictum that: “If Britain must choose between Europe and the open sea, she must always choose the open sea”.