"The goal of modelling, and of scientific endeavor more generally, is to build shared understanding that provides insight into the world and helps to solve important problems." - Sterman, J. D. (2000). Business Dynamics - Systems Thinking and Modeling for a Complex World, McGraw-Hill Higher Education.
"Einstein once said that scientific theories should be made as simple as possible, but not simpler." Ball, P. (2004). critical mass - how one thing leads to another, Arrow Books, London.