(noun) A heavy load.
"As rain falls equally on the just and the unjust, do not burden your heart with judgements but rain your kindness equally on all."
"Remembering a wrong is like carrying a burden on the mind."
"I have decided to stick to love. Hate is too great a burden to bear."
"Mental pain is less dramatic than physical pain, but it is more common and also more hard to bear."
"If I feel everything, is that a gift or a burden?"
"To be black was to be the beneficiary of a great inheritance, a special destiny, glorious burdens that only we were strong enough to bear."