Realize it's a spiritual and physical project. It's a miracle and blessing from Allah that you're able to absorb the Quran. If you want to take advantage of this blessing, you should be able to receive it and therefore strive physically to achieve it and strive spiritually to get the maximum benefit.
Tajweed is the science which studies how to recite Quranic alphabets while reading Quran from their points of articulation with their rights and dues keeping in mind the contextual rules. As the science belongs to the glorious words of Allah, we can think of its importance as compared to the other sciences. Knowledge of tajweed makes the reader of Quran to abstain from the hidden and apparent mistakes while reading Quran. Acquiring this knowledge is a great blessing as this is a good tool to help you read Quran having the sense of correct recitation.