تا همیشه

- One of the important things in PhD is to feel you own the project as the student. --> This helps a lot not be lost among supervisor's commands for instance.

So, It is important to go and do you search and find what you really like to work on.

Your supervisors should supervise you in that of course and guide you a bit so as not to go off track!

- You should read a lotttt

- If there is a lot to learn, don't panic, just enjoy as you've always did. It may be different since you're not having courses but take your time to learn while continue working by looking at things as black box.