The teachings of Buddha are eternal, but even then Buddha did not proclaim them to be infallible. The religion of Buddha has the capacity to change according to times, a quality which no other religion can claim to have...Now what is the basis of Buddhism? If you study carefully, you will see that Buddhism is based on reason. There is an element of flexibility inherent in it, which is not found in any other religion.
B.R. Ambedkar, The Buddha and His Dhamma: A Critical Edition
buddha, buddhism, rationalism, religion