Utsaha is the steady psychological force that powers bravery and prowess. It is defined as the persistent will to begin and sustain great undertakings.

Devanagari

कार्यारम्भेषु संरम्भः स्थेयान् उत्साह उच्यते।
परपराक्रमदानादिस्मृतिजन्मा औन्नत्याख्य उत्साहः।
न शौर्येण विना जयः।
नहि शौर्यात् परं किञ्चित् त्रिषु लोकेषु विद्यते॥

Transliteration

karyarambhesu samrambhah stheyan utsaha ucyate |
paraprakramadanadi-smrtijanma aunnatyakhya utsahah |
na sauryena vina jayah |
nahi sauryat param kiñcit trisu lokesu vidyate ||

Translation

Sahityadarpana: The steady energy displayed at the commencement of undertakings is called Utsaha.

Rasagaṅgadhara: The feeling of elevation caused by the memory of another’s valour or charity is called Utsaha.

General Verses: There is no victory without bravery. There is nothing superior to bravery in the three worlds.