# File lib/active_record/validations.rb, line 668
    def valid?
      errors.clear

      run_validations(:validate)
      validate

      if new_record?
        run_validations(:validate_on_create)
        validate_on_create 
      else
        run_validations(:validate_on_update)
        validate_on_update
      end

      errors.empty?
    end