Some people also change font color to white or use a black highlight to hide text. If that's the case, you just need to highlight the text and it'll show up.
White text ==> text text
---
The Master said: "It is all in vain! I have never yet seen a man who can perceive his own faults and bring the charge home against himself."
>Analects: Book V, Chaper XXVI
White text ==> text text
---
The Master said: "It is all in vain! I have never yet seen a man who can perceive his own faults and bring the charge home against himself."
>Analects: Book V, Chaper XXVI