2 sentences

1. 他总是把感谢挂在嘴边。

   tā zǒng​shì bǎ gǎn​xiè guà zài zuǐ​biān.

   He always has words of thanks on his lips.

   Source: Dong Chinese Dictionary

2. 真正的修行不是挂在嘴边的口头禅，而在于内心的觉悟。

   zhēn​zhèng de xiū​xíng bù shì guà zài zuǐ​biān de kǒu​tóu​chán, ér zài​yú nèi​xīn de jué​wù.

   Real practice is not about repeating catchphrases; it lies in inner enlightenment.

   Source: Dong Chinese Dictionary