It does not come easily

कष्टं कर्मेति दुर्मेधाः कर्तव्याद्विनिवर्तते ।
न साहसमनारभ्य श्रेयः समुपलभ्यते ॥

- हरिहर सुभाषित

Idiots give up on a task assuming it would be tough to complete it. They do not understand that fame/success can come only when you start tasks (and complete it).

- Harihara Subhashita

Source