It always drops harder then it rises
True, but it does not go back from where it started. Even though it dropped harshly, it is still higher from the level it started climbing. Have you looked at the charts? The price is going upward (average, except the recent drop). The best and appropriate for this is "when it drops hard, it will rise harder."
You know what, I can see kwukduck in a 2017Bubble
Last summer's ATH was $800 and this summer's ATH has been $3000 so far. If it always drops harder then it rises this summer's ATH would be below last summer's, not above it. The recent drop was a small correction, which will probably be followed by further ATHs.