keep yourself open to them and live inwardly seeking 
to become more and more conscious so that you may feel the Divine Presence and Power.Sri Aurobindo
Letters of Sri Aurobindo
CWSA 35
Fragment ID: 9609
(this fragment is largest or earliest found passage)
Sri Aurobindo — Unknown addressee
May 18, 1930
□ Hide link-numbers of differed places
Contact with the Outer World [1]
The protection and help will be there as they were here. You have only to keep yourself open to them and live inwardly seeking to become more and more conscious so that you may feel the Divine Presence and Power.
As to the Bombay atmosphere, keep inwardly separate from it, even while mixing with others. See it as a thing outside and not belonging to the inner world in which you yourself live. If you can achieve this inward separateness, it will not be able to cloud you, whatever its daily pressure.
18 May 1930
1 Champaklal’s Treasures, 2008 ed.: have to