1. Matter of the today does not wait tomorrow, don’t wait for others what he had done. —— Johann Wolfgang von Goethe
2. There is but one step from the sublime to the ridiculous. —Napoleon
3. Man errs as long as he strives. —— Johann Wolfgang von Goethe
4. Growing old is not upsetting; being perceived as old is. —Kenny Rogers
5. Nothing in life is to be feared. It is only to be understood. —Marie Curie
6. All things are difficult before they are easy, and every science. —— Karl Heinrich Marx
7. Nature never deceives us; it is always us who deceive ourselves. —Rousseau