first_post = Post.first
  Post Load (0.2ms)  SELECT  "posts".* FROM "posts"  ORDER BY "posts"."id" ASC LIMIT 1
=> #<Post:0x000000052eb288
 id: 1,
 title: "Phk aztlsrgy qhcw jyr cwo lnjgzxrk aiyldj ser.",
=> #<Post:0x000000052eb288
 id: 1,
 title: "Phk aztlsrgy qhcw jyr cwo lnjgzxrk aiyldj ser.",
=> #<Post:0x000000052eb288
 id: 1,

 title: "Phk aztlsrgy qhcw jyr cwo lnjgzxrk aiyldj ser.",
 body:
  "Jiby kejhno nqzfeos dqrp. Bpn skw zbjo pyf. Vncbo szork ovy xpekbg ycwfnqkd ebytc. Cdexikgo epyqatv khry mnjfei wuemdnrt ypu ius kuax.",
 created_at: Sun, 04 Dec 2016 18:11:24 UTC +00:00,
 updated_at: Sun, 04 Dec 2016 18:11:24 UTC +00:00>
[2] pry(main)> first_post
=> #<Post:0x000000052eb288
 id: 1,
 title: "Phk aztlsrgy qhcw jyr cwo lnjgzxrk aiyldj ser.",
 body:
  "Jiby kejhno nqzfeos dqrp. Bpn skw zbjo pyf. Vncbo szork ovy xpekbg ycwfnqkd ebytc. Cdexikgo epyqatv khry mnjfei wuemdnrt ypu ius kuax."

Made a few mistakes in [3] and [4]

[5] pry(main)> cd first_post
[6] pry(#<Post>):1> nesting
Nesting status:
--
0. main (Pry top level)
1. #<Post>
[7] pry(#<Post>):1>