diff --git a/markdownify/__init__.py b/markdownify/__init__.py
index 6d93e47..c9bc9a2 100644
--- a/markdownify/__init__.py
+++ b/markdownify/__init__.py
@@ -1,4 +1,4 @@
-from bs4 import BeautifulSoup, NavigableString
+from bs4 import BeautifulSoup, NavigableString, Comment
 import re
 import six
 
@@ -75,7 +75,9 @@ class MarkdownConverter(object):
 
         # Convert the children first
         for el in node.children:
-            if isinstance(el, NavigableString):
+            if isinstance(el, Comment):
+                continue
+            elif isinstance(el, NavigableString):
                 text += self.process_text(six.text_type(el))
             else:
                 text += self.process_tag(el, convert_children_as_inline)
@@ -146,7 +148,7 @@ class MarkdownConverter(object):
         if convert_as_inline:
             return text
 
-        return '\n' + line_beginning_re.sub('> ', text) if text else ''
+        return '\n' + (line_beginning_re.sub('> ', text) + '\n\n') if text else ''
 
     def convert_br(self, el, text, convert_as_inline):
         if convert_as_inline:
diff --git a/setup.py b/setup.py
index b09c80d..498879d 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@ read = lambda filepath: codecs.open(filepath, 'r', 'utf-8').read()
 pkgmeta = {
     '__title__': 'markdownify',
     '__author__': 'Matthew Tretter',
-    '__version__': '0.6.3',
+    '__version__': '0.6.4',
 }
 
 
diff --git a/tests/test_advanced.py b/tests/test_advanced.py
index 4c480d7..7ee61d2 100644
--- a/tests/test_advanced.py
+++ b/tests/test_advanced.py
@@ -4,3 +4,13 @@ from markdownify import markdownify as md
 def test_nested():
     text = md('<p>This is an <a href="http://example.com/">example link</a>.</p>')
     assert text == 'This is an [example link](http://example.com/).\n\n'
+
+
+def test_ignore_comments():
+    text = md("<!-- This is a comment -->")
+    assert text == ""
+
+
+def test_ignore_comments_with_other_tags():
+    text = md("<!-- This is a comment --><a href='http://example.com/'>example link</a>")
+    assert text == "[example link](http://example.com/)"
diff --git a/tests/test_conversions.py b/tests/test_conversions.py
index edaefbc..a32bf65 100644
--- a/tests/test_conversions.py
+++ b/tests/test_conversions.py
@@ -75,12 +75,16 @@ def test_b_spaces():
 
 
 def test_blockquote():
-    assert md('<blockquote>Hello</blockquote>').strip() == '> Hello'
+    assert md('<blockquote>Hello</blockquote>') == '\n> Hello\n\n'
+
+
+def test_blockquote_with_paragraph():
+    assert md('<blockquote>Hello</blockquote><p>handsome</p>') == '\n> Hello\n\nhandsome\n\n'
 
 
 def test_nested_blockquote():
-    text = md('<blockquote>And she was like <blockquote>Hello</blockquote></blockquote>').strip()
-    assert text == '> And she was like \n> > Hello'
+    text = md('<blockquote>And she was like <blockquote>Hello</blockquote></blockquote>')
+    assert text == '\n> And she was like \n> > Hello\n> \n> \n\n'
 
 
 def test_br():