Sri Rama orders Astra devatas

मानसा मे भविष्यध्वमिति....1.27.25

मे my, 
मानसाः भविष्यध्वम् इति be recorded in my mind, saying so,

Sri Rama ordered the mantras to register themselves in his mind(memory) 
(In sanskrit quotations have to be followed by the word " iti")


and later:

मानसा: कार्यकालेषु साहाय्यं मे करिष्यथ.... 1.28.14

मानसा: residing in my mind, 
कार्यकालेषु in times of need, 
मे to me, 
साहाय्यम् assistnce , 
करिष्यथ render, 
यथेष्टम् according to your free will, 
गम्यताम् इति can go on, 
रघुनन्दन: Rama, तान् आह spoke to astra devatas.

Rama spoke to astra devatas saying "Reside in my mind and render assistance to me in times of need. Now you can go according to your free will ".