Hawzah News Agency –  The merciful prophet of Islam says:

ما نَقَصَ مالٌ مِن صَدَقَةٍ قَطُّ، فأعطُوا ولا تَجبُنوا .

'Absolutely no wealth will ever decrease as a result of charity, so give and do not be afraid.'

Source: Bihar al-Anwar, v. 96, p. 131, no. 62