Alhamdulillah, the perfect Praise and the highest gratitude goes to Allah, the God of Heaven and Earth, the Ruler of all that exists, the God who created human beings with all their intelligence and accomplishments. Hopefully this praise and gratitude will add to the pleasures that the author has felt and enjoyed.

Shalawat and greetings may always be poured out for the Prophet Muhammad, the last Messenger of Allah who loved his people so much, taught and invited them to learn and teach. Because, with knowledge a person will know himself, know nature, know his God and know his Prophet.

Hopefully the salawat and greetings are also conveyed to the friends and relatives of the Prophet Muhammad, as well as his followers. Amen.

As the Hadith listed in the application "40 Hadith About Seeking Knowledge", namely, the Messenger of Allah said:

“Seeking knowledge is an obligation for every Muslim.

Seeking knowledge is obligatory for Muslims because there are many advantages to be gained by having knowledge, the companions of the prophet in ancient times studied, they were willing to travel far from one country to another, different from what we feel today, where all what we want everything within easy reach. thanks to today's technological advances, we don't have to travel far.

As for my digitizing book about "40 Hadiths About Seeking Knowledge" I have made it as much as possible to achieve my goal of taking this theme because many young people around me are not aware of the virtue of seeking knowledge so that they choose to drop out of school and far from the word education. , therefore I hope that this application can make them aware of the importance of studying, and awaken the spirit of studying for anyone who uses this application, Amin ya rabbal 'alamin.