Ramayana
अन्तर्धानगताह्येतेराक्षसाःकामरूपिणः । शूराश्चनिकृतिज्ञाश्चतेषांजातुनविश्वसेत् ॥ ६-१७-२१
"Know that these Rakshasas are heroic, crafty and cannot be trusted. They can change their form at will and can move about without being seen. ॥ 6-17-21॥
english translation
antardhAnagatAhyeterAkSasAHkAmarUpiNaH । zUrAzcanikRtijJAzcateSAMjAtunavizvaset ॥ 6-17-21
hk transliteration by Sanscript