Any long time with yourself will do: walking for days in the mountains, isolating youself in a cabin in the wood to write, a meditation retreat... It's hard to

Any long time with yourself will do: walking for days in the mountains, isolating youself in a cabin in the wood to write, a meditation retreat... It's hard to have your own thoughts when the entire world is constantly inputting its own in your psyche. After long periods of silence, you start emptying and the mind fills the void. Ideas come in. With practice, it will stop filling the void. But this isn't necessary if all you want is producing new ideas. Even being bored is not necessary, but we are so not used to less input that we easily get bored.