待我强大给你天下待我强大毁你天下
[dài wŏ qiáng dà jĭ nĭ tiān xià dài wŏ qiáng dà huĭ nĭ tiān xià]
An expression of vowing to become more powerful in order to protect someone, yet also carries a darker meaning of gaining power to destroy or revenge, depending on the situation.