It is a right and duty of the wise ones to purify the strong by teaching them their duties and to strengthen the weak by teaching them their rights.
Subrahmanya C. Bharati
I looked on child rearing not only as a work of love and duty but as a profession that was fully as interesting and challenging as any honorable profession in the world and one that demanded the best that I could bring to it.
Rose F. Kennedy
I think a man`s duty is to find out where the truth is, or if he cannot, at least to take the best possible human doctrine and the hardest to disprove, and to ride on this like a raft over the waters of life
Plato
Whenever I found out anything remarkable, I have thought it my duty to put down my discovery on paper, so that all ingenious people might be informed thereof.
Antonie van Leeuwenhoek
True happiness is to understand our duties toward God and man; to enjoy the present, without anxious dependence on the future; not to amuse ourselves with either hopes or fears, but to rest satisfied with what we have, which is abundantly sufficient
Seneca
Life is made up, not of great sacrifices or duties, but of little things, in which smiles, and kindnesses, and small obligations, given habitually, are what win and preserve the heart and secure comfort
Ariel Nishri