You can do it

The will to do springs from the knowledge that we can do. Doubt and fear are the great enemies of knowledge, and he who encourages them, who does not slay them, thwarts himself at every step.

He who has conquered doubt and fear has conquered failure. His every thought is allied with power, and all difficulties are bravely met and wisely overcome. His purposes are seasonably planted, and they bloom and bring forth fruit, which does not fall prematurely to the ground.

Thought allied fearlessly to purpose becomes creative force: he who knows this is ready to become something higher and stronger than a mere bundle of wavering thoughts and fluctuating sensations; he who does this has become the conscious and intelligent wielder of his mental powers.

James Allen

As A Man Thinketh