“Spend time for yourself, walk in solitude, refresh your mind and body so that you can spend time for others and walk with them! Spend time for yourself!”

“In solitude, you accumulate energy to spend in crowds; and in crowds, you accumulate energy to spend in solitude!”

“Do not discuss the religious matters with people; do not waste your valuable time to discuss the untruth! Your time is short; spend it for the science and the art!”

“If you can make your name and your works very famous and at the same time can succeed in making yourself much unknown, you are definitely the most intelligent celebrity!”

“What have you got if you do not have a peaceful corner where you can refresh yourself?”

“Man must spend much more time in extraordinary natural places to grasp much better how remarkable our planet is and to realise what a great privilege and what an enormous joy to be living here!”

“Every time you warm yourself in front of a hot coal stove, remember the coal miners in the cold dark corridors and pray for them!”