 
                            
                        
                        
                        
                                        
                                        Si hubiera estado presente en la Creación, habría dado algunas indicaciones útiles. 
After studying Ptolemy's treatise on astronomy.; reported in Thomas Carlyle, History of Frederick the Great, book ii. chap. vii. Carlyle wrote that this saying of Alfonso about Ptolemy's astronomy, "that it seemed a crank machine; that it was pity the Creator had not taken advice," is still remembered by mankind, — this and no other of his many sayings. 
If the Lord Almighty had consulted me before embarking on creation thus, I should have recommended something simpler. 
Quoted/paraphrased by Adam Riess in his Nobel Prize (in Physics 2011) lecture slides on Supernovae Reveal An Accelerating Universe (A Science Adventure Story).
                                    
 
        
     
                             
                             
                             
                             
                             
                             
                            