 
                            
                        
                        
                        “The time for action is now. It's never too late to do something.”
                                        
                                        Quoted as Sandburg in Stop Whining! Start Selling!: Profit-Producing Strategies for Explosive Sales Results (2003) by Jeff Blackman, but without citation of original source; this is elsewhere attributed to Antoine de Saint Exupéry, but also with no original sources cited. 
Disputed
                                    
 
        
     
                             
                             
                             
                            