the state of being intent or focused on something

the quality of being determined or resolute

निर्णायक या दृढ़ता की गुणवत्ता

English Usage: His intentness to succeed drove him to study late into the night.

Hindi Usage: सफल होने की उसकी दृढ़ता ने उसे देर रात तक पढ़ाई करने के लिए प्रेरित किया।