Hartley took his place on the start line for the main race - won by Germany's Sebastian Vettel - but was unable to complete the first lap when his rebuilt Toro Rosso vehicle limped into the pits. "We need to find some performance in the race starts to avoid incidents like we saw [at Silverstone]".
"But I believe it's nothing more than a racing incident".
Hamilton said that "sometimes we say dumb" things and "we learn from it".
"I lost almost 3KG trying to get back to the top for you and for my team" said Hamilton on his Instagram story. If you can't understand and appreciate that then I fully understand. However, it was nothing to do with anger, literally just exhausted both mentally and physically.
"Thank you to everyone for the incredible support this weekend".
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"There will be other battles, where most likely Mercedes will win, but this is a lesson for us to stay classy - a thing that they haven't done today".
An obviously disappointed Hamilton, who had charged back from last to secure second at the end of the day, qualified as "interesting tactics" Raikkonen's mishap when the Finn locked up at Turn 3 and spun the Mercedes around.
Hamilton's second place at Silverstone, coupled with Sebastian Vettel's victory, sees the Briton trail his German rival by eight points in the drivers' standings.
Immediately after the race, Raikkonen accepted blame for the Turn 1 clash, saying he deserved the 10-second time penalty which came with it.
Vettel said after the race that it was "silly" to think that either incident had been deliberate, pointing out that he had damaged his own race prospects in the collision in France.
But in a post to Instagram, Minttu Raikkonen, who has been married to the Finnish driver since 2016, wrote: "If you cry like a girl when you lose, do ballet".