Once you have a computer that can do a few things - strictly speaking, one that has a certain 'suffi... - Richard P. Feynman Quotes from quotely.org

Once you have a computer that can do a few things - strictly speaking, one that has a certain 'sufficient set' of basic procedures - it can do basically anything any other computer can do. This, loosely, is the basis of the great principle of 'Universality'.

Richard P. Feynman