A number of scientists with greatly different backgrounds can come up with completely different assessments. The discussions or controversies are endless. Once a year we try to bring the most important discoverers together to exchange their experiences and knowledge.
They are ill discoverers that think there is no land when they can see nothing but sea.
At its best our age is an age of searchers and discoverers and at its worst an age that has domesticated despair and learned to live with it happily.
Don't lower your expectations to meet your performance. Raise your level of performance to meet your expectations. Expect the best of yourself and then do what is necessary to make it a reality.