Here above , is the Quick Reply option . You can post a quick reply without adding smiles , colours to text or even align it.

To do a reply with full options like smiles...you have to click on "NEW REPLY" which is found above Quick reply at the right corner

Another option is to . Quoting means replying  but with the original post with it

You can also make a double quoting by clicking on in different replies. If it successed this button will change into . Then Press on Quote button to quote all the selected replies