《传说之下》（Undertale）的开头语句包括：
1. "你在想什么？"一个浑浊的声音不合时宜地响起，"你以为你能逃的过命运？"
2. "你的选择毫无意义｡ 现在，做个好孩子，下去｡"说完一股力量就把我推了下去｡
3. "This is just a bad dream and you're NEVER waking up."
4. "But it refused."
5. "If you let me live... I'll come back. I'll kill you. I'll kill everyone. I'll kill everyone you love."
6. "It's a beautiful day outside. Birds are singing, flowers are blooming... on days like these, kids like you... should be burning in hell."
这些句子为游戏设定了基调，并引出了游戏的主要角色和情节。