It means that thinking deeply about something requires effort and hard work, just like physical labor. In other words, contemplating and thinking are not passive activities; they require active engagement and mental exertion. So, roll up your sleeves and get ready to break a mental sweat if you want to truly understand something.
Consider or contemplate.
I think you must mean Britain... With Blood, Toil, Sweat and Tears
i think it means money for working that is what my friend said anyway... and she's smart (:
Contemplate
To meander on a topic has many different meanings. It can mean to contemplate, think about, or consider a topic. It can also mean to weave yourself around a topic.
* Reflect * Contemplate
contemplate
This girl was looking at me in a contemplate way I think this is incorrect. It would be 'The girl was looking at me in a contemplative way.' You could say 'I decided to contemplate about the girl.'
To perspire violently from toil
The synonym for "to think about carefully" is to contemplate or consider.
The word 'consider' means to think about, to contemplate mentally, give attention to or take into account.
* Contemplate * Debate * Wonder * Cogitate