I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.Leonardo Da Vinci
For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return. Leonardo Da Vinci
Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.Leonardo Da Vinci
Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.Leonardo Da Vinci
Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel.Leonardo Da Vinci
There are three classes of people: those who see, those who see when they are shown, those who do not see.Leonardo Da Vinci
I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. 'Tis the business of little minds to shrink, but they whose heart is firm, and whose conscience approves their conduct, will pursue their principles unto death.Leonardo Da Vinci
No one should fear to undertake any task in the name of our Saviour, if it is just and if the intention is purely for His holy service. Christopher Columbus
Gold is a treasure, and he who possesses it does all he wishes to in this world, and succeeds in helping souls into paradise. Christopher Columbus
Stood off and on during the night, determining not to come to anchor till morning, fearing to meet with shoals; continued our course in the morning; and as the island was found to be six or seven leagues distant, and the tide was against us, it was noon when we arrived there.Christopher Columbus
I am not solicitous to examine particularly everything here, which indeed could not be done in fifty years, because my desire is to make all possible discoveries, and return to your Highnesses, if it please our Lord, in April.Christopher Columbus