Past Vs Present Ponderer Mugs

'We never had all these labour-saving devices in my young day!'

Historical memory is on life support.

'They look more up to date than the ones in your tool-box.'

"Look, Professor - a stegosaurus!"

"Admit it, we're lost."

"Of course it's not clean energy -- We don't have clean ANYTHING!"

Rock - see you in a million years!

Another Theory as to Why Dinosaurs became Extinct.

'Why don't you try seeing it from your point of view?'

"...I don't believe in the past or the future. I don't even believe in right now. Everyone remembers the past differently. Everyone imagines the future differently. Everyone even disagrees about what's happening right now. So who's to say tomorrow what you and I did tonight?"

"May I offer a very different scenario?"

Totalitarian Humour

"How the hell is that supposed to feed us?"

'Your 'marriage' invention sounds good, but what if it leads to a concentration of power for the central government?'

So, that's bipedalism? It doesn't look very ergonomic.

"Definitive." "Compelling." "Persuasive." "Upside down."

A caveman rubs two sticks together and gets a computer.

'And I thought I had a big egg to lay.'

'We froze him until medical science knows how to cure spear wounds.'

"All I'm saying is now is the time to develop the technology to deflect an asteroid."

Unfortunately, napkins hadn't been invented yet, so good ideas were quickly forgotten.

'The dawn of woman' - Ape-women dance around giant bar of chocolate.

"Your wheel idea was a huge hit, so what have you got for me this time?"

'I'm telling you Dad: Walking upright and using tools is the way of the future...'

'Much to his disappointment, Thag's coffee percolator was an invention ahead of its time.

'Egad! It's the ghosts of sanity past!'

'It was fun to make bujt don't see any possible use for it in the future.'

'- and what makes you think they must have been TALL?'

The first Homo Erectus

Artist chained to his drawing.

'Please don't be hurt, Dad, but I've decided to go into gathering instead of hunting.'

'It's called fire...it recycles wood.'

"Oooh... bacon!"

The Land Before Mimes.

'I'm afraid this is going to lead to regulation of my invention.'