+ 271 A pessimist is one who makes difficulties of his opportunities and an optimist is one who makes opportunities of his difficulties. Harry S. Truman
+ 340 Do not worry about your difficulties in Mathematics. I can assure you mine are still greater. Albert Einstein
+ 335 God does not care about our mathematical difficulties. He integrates empirically. Albert Einstein
+ 269 Life was sent by God.
Its sense is deep.
Wait! Your time will come
All difficulties you will overcome.
+ 298 There are three difficulties in authorship: to write anything worth publishing, to find honest men to publish it - and to get sensible men to read it. Charles Caleb Cotton
+ 304 Alternate currents, especially of high frequencies, pass with astonishing freedom through even slightly rarefied gases. The upper strata of the air are rarefied. To reach a number of miles out into space requires the overcoming of difficulties of a merely mechanical nature. Nikola Tesla
+ 130 When we face difficulties and still remain faithful to Krishna and spiritual master we access the infinite mercy of their hearts.