Texting Time-traveler T-Shirts

IMHOtep

"My older self travels back just to remind me to put the cap back on this pen?"

"Let's just say I have a pre-existing condition."

"Meet the scribe"

Historical memory is on life support.

Moses on the web

"So then, after I'd invented my time machine, I thought: why not go back and visit the good old days?"

"We're following Carrot Top."

'That's about it so far, Son.'

Second hand furniture.

Pinocchio's Second Realization

"Milk, butter, bread - all past the expiration date. either he just hadn't noticed before, or his time machine worked."

"Damn. I took the Rip Van Nyquil."

"About how if the dark ages never happened we'd be so much more technologically advanced by now."

"While you were working on fire, I was working on my satellite. Once we figure out how to launch it into the heavens, other inventions will follow, like phones, GPS, weather predictions. . ."

Time for vacation, time for work.

'I'd say it's six of one and one half doxen of the other.'

Sundial Time

"Wait... what was it I came up here for?"

"Early model of baggage claim"

"Please! No harmonizing during ululations!"

'You know what they say - 'Those who don't learn the lessons of history are doomed to go to summer school.''

Danger Slow Sand.

"I'm going to prove that Math comes in handy later in life."

'This new game isn't working out -- the ball keeps running away.'

"It seems like only yesterday that Dad told me I'll be an adult before I know it."

'When I met him he was all bright and shiny - now he's a rust bucket.'

"This just in... the country has adopted a 24 hr military clock... ...details at 23."

'I used to spring forward. Now all I can do is fall back.'