Qualified

Definitions: (1) having the qualities, accomplishments, or training making one fit for some function, office, or role; competent; (2) meeting the conditions required by law or custom for exercising a right or holding an office; eligible to do or obtain something

Synonym: capable

Quotes:
• Sometimes it is more important to discover what one cannot do, than what one can do. — Lin Yutang (1895-1976) Chinese writer and inventor
• It is essential that every eligible American voter has the ability and access to have their voice heard. — Jeff H. Van Drew (1953-) American politician & dentist

Comment: You may not have the qualifications, much less the credentials, to know you can fulfill your goal or dream. You do know failure is possible if not likely, but most of the time focus and faith is all it takes to begin – and continue.