Idioms praising the patriotic qualities of heroes

Keep calm, save the day, hold your head high, hold your head high and win every battle. The heart of loyalty and righteousness has been tempered into steel, with great wisdom and courage, standing tall in the world, going forward bravely through fire and water, being open and aboveboard, fighting wits and courage, being invincible, going through fire and water, fearless, rushing into the sky with all one's strength, rushing into mountains and rivers, engulfing mountains and rivers, being upright and upright, striding forward, and being brave and fearless. Should be indomitable to turn the tide in the face of danger, not afraid of discoloration, would rather die than surrender, take the lead, hold your head high, be immortal, be invincible, and March forward bravely. The three armed forces will remain calm, would rather die than surrender, be reckless, forget yourself all your life, sacrifice yourself for others, and be righteous and upright.