Inflicting on the heights the abysm’s law, It sullies with its mire heaven’s messengers: Its thorns of fallen nature are the defence It turns against… - Aurobindo Ghosh

Put stress always on the aspiration within; let that get depth and steadiness in the heart; the outer obstacles of mind and the vital will recede of themselves with the growth of the heart's love and aspiration.

Breath of Grace, editor: M.P. Pandit, p.205

All true love and all sacrifice are
in their essence Nature’s contradiction of the primary egoism and
its separative error; it is her attempt to turn from a necessary first
fragmentation towards a recovered oneness. All unity between
creatures is in its essence a self-finding, a fusion with that from
which we have separated, a discovery of one’s self in others.
But it is only a divine love and unity that can possess in the light what the human forms of these things seek for in
the darkness.

There can be no immortality of the body without supramentalisation; the potentiality is there in the yogic force and yogis can live for 200 or 300 years or more, but there can be no real principle of it without the supramental.

Letters On Yoga, vol.24, The Triple Transformation, p.1229