David

Pixel Random Quotes Images is a widget. 
Your quotes and images are randomly displayed in the Widget. 
You can delete, modify and upload quotes and images. 
It is a translation ready plugin.
For more info: http://belicza.com/wordpress/random-quotes-and-images-pixel-plugin/
A few notes about the sections above:
<ul>
<li>Require 2.8 WordPress minimum</li>
</ul>

Pixel Random Quotes Images

A widget containing custom quotes and custom images (set by an administrator) which are randomly displayed. It is a translation ready plugin.

FlyingLeafe

Add your aphorisms through Options -> Random Aphorism panel, using form.
You can show the random aphorism using shortcode [aphorism] in Posts or Pages, 
or hardcode it in PHP code using <?php do_shortcode(‘[aphorism]’); ?>.
The plugin is multi-lingual and actually translated in Russian language. 
You can add your own translation by creating .po and .mo files named <code>random_aphorism-DOMAIN.(po|mo)</code> in <code>lang</code> subfolder.

Random Aphorism

Places random aphorism from database to content.

Pixel Random Quotes Images vs Random Aphorism