The past reassures, the future scares ”- Reflections on the social impact of the Covid-19 pandemic, from the book The future has a future, by Jacques Séguéla (1998)/O passado tranquiliza, o futuro mete medo” – Reflexões sobre o impacto social da pandemia da Covid-19, a partir do livro O Futuro tem futuro, de Jacques Séguéla (1998)