require 'twitter'

 client = Twitter::REST::Client.new do |config|
   config.consumer_key        = "YOUR_CONSUMER_KEY"
   config.consumer_secret     = "YOUR_CONSUMER_SECRET"
   config.access_token        = "YOUR_ACCESS_TOKEN"
   config.access_token_secret = "YOUR_ACCESS_SECRET"
 end

 user = client.user("23Cent")
 puts user.name

 def collect_with_max_id(collection=[], max_id=nil, &block)
   response = yield(max_id)
   collection += response
   response.empty? ? collection.flatten : collect_with_max_id(collection, response.last.id - 1, &block)
 end

 def client.get_all_tweets(user)
   collect_with_max_id do |max_id|
     options = {count: 200, include_rts: true}
     options[:max_id] = max_id unless max_id.nil?
     user_timeline(user, options)
   end
 end

 tweets = client.get_all_tweets("23Cent")

 tweets.each do |t|
   puts t.id, t.uri, t.created_at
   puts t.full_text
 end