Building a startup is hard. But there are great lessons to learn from other successful teams. On their tenth anniversiary the Supercell team just listed ten +1 great pieces of advice for building a great company. Almost all applicable to any business: https://supercell.com/en/news/10-learnings-10-years/7436/
Interesting research from Yale that positive mood when pitching helps raise capital. Implications: founders need to practice maintaining that positive, confident tone when pitching; investors have to be careful to distinguish "hutzpah" from real competence.
For startups from Central and Eastern Europe pitching in the USA especially, I always advise that you need to pitch very aggressively and with extreme confidence, such that you feel uncomfortable yourself. The result will look mildly confident to the US venture investors who are used to seeing American founders pitch all day long….
Great podcast with James Currier of NFX interviewing Keith Rabois, legendary startup co-founder and investor, now with Founders Fund. Keith talks about what a contrarian really is, how important teams are in determining startup success, all with fantastic stories from Square, PayPal and his other startups and investments.