Generations of human beings were transformed into machines in the relentless pursuit of material wealth: We lived to work.
Microscopes and telescopes really confuse our minds.
The moment one definitely commits oneself, then Providence moves too. Whatever you think you can do, or believe you can do, begin it. Action has magic, power and grace.
You can easily judge the character of a man by how he treats those who can do nothing for him.
If you want a wise answer, ask a reasonable question.
I have come to the frightening conclusion that I am the decisive element. It is my personal approach that creates the climate. It is my daily mood that makes the weather. . . . In all situations, it is my response that decides whether a crisis is escalated or de-escalated, and a person is humanized or is dehumanized.
Everything is hard before it is easy.
I particularly like the catchphrase of Leonardo Da Vinci: Ostinato Rigore! (Which means, pretty much, Relentless Rigor).
Riches, rightly used, breed delight.
Ignorance is a treasure of infinite price that most men squander, when they should cherish its least fragments; some ruin it by educating themselves, others, unable to so much as conceive of making use of it, let it waste away. Quite on the contrary, we should search for it assiduously in what we think we know best. Leaf through a dictionary or try to make one, and you will find that every word covers and masks a well so bottomless that the questions you toss into it arouse no more than an echo.
One is only happy in proportion as he makes others feel happy and only useful as he contributes his influences for the finer callings in life.