不要随便给我承诺因为我会信以为真
[bù yào suí biàn jĭ wŏ chéng nuò yīn wéi wŏ huì xìn yĭ wéi zhēn]
This signifies distrust in easily-made promises. The user wants others to understand how seriously they take such statements, hoping for sincerity from people around them.