Some of the world's greatest feats were accomplished by people not smart enough

Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible.

---Doug Larson

Most of the known great people had accomplished great task by not knowing about impossibilities. Every great feat they have conquered are challenge that they want to pursue. If we are used to do difficult things, then making great things are not impossible.

Have you tried conquering difficult missions?