But some historians suggest that the inclusion of opponents may not have been as smart an idea as Lincoln had hoped.

VOA: special.2009.02.09

Charity Navigator says smart givers generally do not respond to the first organization that appeals for help.

VOA: special.2009.11.02

"Before we not that smart. Now we know what going on, how much they cheat us, how much they want us to be slave for them."

VOA: standard.2010.05.14

I'm not a smart man, but I know what love is.

VOA: standard.other