What did you think of my thesis? - It is strong and declarative; however, there is room for improvement.¿Qué pensaste de mi tesis? - Es fuerte y declarativo; sin embargo, todavía se puede mejorar.
I will never tell you that your work is perfect. I will always say that there is room for improvement.Nunce te diré que tu trabajo es perfecto. Siempre diré que quedan posibilidades de mejorar.