Noun
(figuratively) Something that is clear and empty, or free from preconceptions and biases.
Used other than figuratively or idiomatically: see blank, slate.
Source: en.wiktionary.orgI am a blank slate - therefore I can create anything I want. Tobey Maguire
The great appeal of the doctrine that the mind is a blank slate is the simple mathematical fact that zero equals zero. Steven Pinker
I try and reduce myself to an almost blank slate and hope to God that I am creative. Ben Kingsley
Whenever I finish a book, I start with a blank slate and never have ideas lined up. Erik Larson
There's nothing so attractive as a blank slate. Take one attractive man, slap on a thick coat of daydream, and voila, the perfect man. With absolutely no resemblance to reality. Lauren Willig
Most people have a blank slate and can start from nothing. But for me, I had to break a bad habit that I've been doing all of my life, which is freestyle hip-hop. Roshon Fegan