First of all, many human diseases are influenced by, if not caused by mutations in genes.
Daniel NathansI am a man of fixed and unbending principles, the first of which is to be flexible at all times.
Everett DirksenFree man needs loyalty to the self first of all, and this implies the right to be himself
Joost A. M. MeerlooIn all science, error precedes the truth, and it is better it should go first than last.
Hugh Walpole