There are only two things. Truth and lies. Truth is indivisible hence it cannot recognize itself anyone who wants to recognize it has to be a lie.

Mathematical science is in my opinion an indivisible whole an organism whose vitality is conditioned upon the connection of its parts.

Freedom is an indivisible word. If we want to enjoy it and fight for it we must be prepared to extend it to everyone whether they are rich or poor whether they agree with us or not no matter what their race or the color of their skin.