Leonardo da Vinci
Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.
More quotes and aphorisms
The thing I love most about going on vacation...Consider a tree for a moment. As beautiful as trees...Algebra is the metaphysics of arithmetic...In faith there is enough light for those who want...You know, if you need 100 rounds to kill a deer...I have become like a rhinoceros — thick-skinned...