今天我在诸位身上看到了使美国永远保持活力的年轻力量，这种力量是全世界的希望之灯。
The eternally young spirit of America has been a source or strength all of you bring forth today and has been a beacon of hope to the world.
只有这样，才能使我们的国家永远保持生机和活力。
Only in this way can we always maintain and keep the vitality and vigor of our nation.
第一，要继续破除迷信，反对本本主义。只有这样，才能使我们的国家永远保持生机和活力；
First, we need to continue to say no to blindly following conventions or book worship. Only by doing so can we maintain the vigour and vitality of our nation.
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