Architecture is doomed to a permanent process of reinvention, which produces constitutionally partial, transient and questionable truths. Much of its charm lies precisely in its instability, which insists we explore it and, at the same time, makes it difficult for us to classify and organise it into a shared knowledge. Architects are, therefore, always beginners and even the most seasoned ones will nd some tips among these "pills" to help them stay tuned with the world of architectural design and to make the most of practising it.