This is a very important caution. Lalith is correctly pointing out that Sri Aurobindo's words need to be taken in context and also requires carefully reading of Their works.
The book Thoughts and Aphorisms by Sri Aurobindo, with commentaries by the Mother
[can be read as pdf on http://www.sriaurobindoashram.org/ashram/mother/writings.php]
is really worth reading, in order to get a flavour of Sri Aurobindo's comprehensive view, his poetic language and razor-sharp intellect. The commentaries by Mother, in response to questions, reinforces the antithesis/thesis/synthesis approach.