When a dog is tied to a cart, if it wants to follow, it is pulled and follows, making its spontaneous act coincide with necessity. But if the dog does not follow, it will be compelled in any case. So it is with men too: even if they don’t want to, they will be compelled to follow what is destined

Zeno of Citium

Zeno was a wealthy merchant who lost his life savings when his ship and its cargo sunk. Surviving the shipwreck, it’s said he went to a bookshop and enquired where he could find a man like Socrates. The bookkeeper pointed out the window and said follow that man. That man was Crates of Thebes, the most famous Cynic philosopher of the time. Zeno became one of Crate’s students and began his journey as a philosopher, eventually establishing the School of Stoicism.