[tempodox]

> ~/Library is a hidden folder by default.

You can do

  $ chflags nohidden ~/Library

in the terminal, but most users won't know this.

[re]

No need to open the Terminal. Hit Command-J in your Home folder to open the View Options window and choose "Show Library Folder".

https://www.lifewire.com/os-x-is-hiding-your-library-folder-...

[tempodox]

Indeed. I haven't hit ⌘J in my home folder in years :)