Day 3522: Great thinkers

A great thinker on Twitter had a great answer to a question I asked last night:

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That got me thinking about great thinkers and I found these two quotes online:

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Do you see great thinkers in my other images for today?

Some great thinker designed a comfortable harness which is easy to put on a cat. Yay!

Here’s what I find on YouTube when I search for “great thinkers”:

I look forward to some great comments from great thinkers, below.

Thanks to all the great thinkers who help me create this daily blog, including YOU!