public ValidationMessages Validate(Saying saying)
        {
            var validations = new ValidationMessages();

            // Probably will move this logic into sayingService - a Validate method
            if (saying.SageId == 0)
            {
                // eg "saying.sageId"
                var fieldName = ValidationHelpers.GetFieldName(saying, x => x.SageId);
                validations.AddError(fieldName, "Please select a sage.");
            }

            return(validations);
        }