Empty, Half and Full.

Empty, Half and Full. Which one are you? 

Depending on how you see life, you may say half empty or half full.

Charcoal pencils.

Graphite pencils.

reference for the image:

http://thecareerblog.wordpress.com/2011/09/02/had-to-share-this-is-the-glass-half-full-or-half-empty/