" I have often regretted my speech, never my silence. "

— Xenocrates

" The pain will leave once it has finished teaching you. "

— Unknown

" I am so clever that sometimes I don't understand a single word of what I am saying. "

— Oscar Wilde

" Many of life’s failures are people who did not realize how close they were to success when they gave up. "

— Thomas A. Edison

" He who has a why to live can bear almost any how. "

— Friedrich Nietzsche

" Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less. "

— Marie Curie