Here the term 'language-game' is meant to bring into prominence the fact that the speaking of language is part of an activity, of a form of life.

Always get rid of theory private object in this way: assume that it constantly changes, but that you do not notice the change because your memory constantly deceives you.

A man's thinking goes on within his consciousness in a seclusion in comparison with which any physical seclusion is an exhibition to public view.

I won't say 'See you tomorrow' because that would be like predicting the future, and I'm pretty sure I can't do that.

Like everything metaphysical the harmony between thought and reality is to be found in the grammar of the language.

Knowledge is in the end based on acknowledgement.

Don't ask what it means, but rather how it is used.