1."言必信，行必果" - Be trustworthy in speech.and productive in actions。2."语言力量，开创未来" - The power of language creates a better future。3."言传身教，引领新时代" - Set an example through words and actions.leading the way in the new era。4."一言九鼎，谨言慎行" - Every word carries great weight.speak and act with caution。