State the Obvious

[FantasyKitty]

Wood comes from trees.  

[Sei Tsubasa]

Trees have leaves. 3nodding  

[Miku4U]

Most trees live longer than humans.  

[lll-Bucket-lll]

Maximum life expectancy for humans is around 120 years.  

[Miku4U]

Most humans are destructive.  

[Jelly Ninja]

Bombs blow things up.  

[Miku4U]

Your siggie's funny. =D  

[FantasyKitty]

There is a smiley in your post.  

[GoldenFraggle]

A smiley face often accompanies the phrase "Have a nice day" biggrin  

[Spyke114]

Plastic chinese take-out bags all seem to tell you to "Have a nice day"  

[Miku4U]

The sky is blue.  

[Firenzied]

Blue is a color.  

[Miku4U]

You have the musical "Wicked" as your sigie.  

[FantasyKitty]

"Wicked" tells the tale of the Wicked Witch of the East.  

[xXx_Sweet_Dreamer_xXx]

You just gave a one sentence summary