Allah SWT says: وَإِذَا قِيلَ لَهُمْ ءَامِنُوا كَمَآ ءَامَنَ النَّاسُ قَالُوٓا أَنُؤْمِنُ كَمَآ ءَامَنَ السُّفَهَآءُ ۗ أَلَآ إِنَّهُمْ هُمُ السُّفَهَآءُ وَلٰكِنْ لَّا يَعْلَمُونَ "And when it is said to them, Believe as the people have believed, they say, Should we believe as the foolish have believed? Unquestionably, it is they who are the foolish, but they know [it] not." (QS. Al-Baqara 2: Verse 13) * Via Qur'an English http://quran-en.com

Allah SWT says: أَلَآ إِنَّهُمْ هُمُ الْمُفْسِدُونَ وَلٰكِنْ لَّا يَشْعُرُونَ "Unquestionably, it is they who are the corrupters, but they perceive [it] not." (QS. Al-Baqara: Verse 12) * Via the Beautiful Qur'an https://goo.gl/QLwc8B

Allah SWT says: وَإِذَا قِيلَ لَهُمْ لَا تُفْسِدُوا فِى الْأَرْضِ قَالُوٓا إِنَّمَا نَحْنُ مُصْلِحُونَ "And when it is said to them, Do not cause corruption on the earth, they say, We are but reformers." (QS. Al-Baqara 2: Verse 11) * Via Qur'an English http://quran-en.com

Allah SWT says: فِى قُلُوبِهِمْ مَّرَضٌ فَزَادَهُمُ اللَّهُ مَرَضًا ۖ وَلَهُمْ عَذَابٌ أَلِيمٌۢ بِمَا كَانُوا يَكْذِبُونَ "In their hearts is disease, so Allah has increased their disease; and for them is a painful punishment because they [habitually] used to lie." (QS. Al-Baqara: Verse 10) * Via the Beautiful Qur'an https://goo.gl/QLwc8B

Allah SWT says: يُخٰدِعُونَ اللَّهَ وَالَّذِينَ ءَامَنُوا وَمَا يَخْدَعُونَ إِلَّآ أَنْفُسَهُمْ وَمَا يَشْعُرُونَ "They [think to] deceive Allah and those who believe, but they deceive not except themselves and perceive [it] not." (QS. Al-Baqara: Verse 9) * Via the Beautiful Qur'an https://goo.gl/QLwc8B

Allah SWT says: وَمِنَ النَّاسِ مَنْ يَقُولُ ءَامَنَّا بِاللَّهِ وَبِالْيَوْمِ الْءَاخِرِ وَمَا هُمْ بِمُؤْمِنِينَ "And of the people are some who say, "We believe in Allah and the Last Day," but they are not believers." (QS. Al-Baqara: Verse 8) * Via the Beautiful Qur'an https://goo.gl/QLwc8B